CN115826112A - Design method of prism for ultrafast solid laser - Google Patents
Design method of prism for ultrafast solid laser Download PDFInfo
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- CN115826112A CN115826112A CN202310055656.2A CN202310055656A CN115826112A CN 115826112 A CN115826112 A CN 115826112A CN 202310055656 A CN202310055656 A CN 202310055656A CN 115826112 A CN115826112 A CN 115826112A
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Abstract
The invention discloses a design method of a prism for an ultrafast solid laser, which relates to the technical field of optical elements and aims to solve the following problems in the existing construction mode: the damage-resistant threshold is limited by the material of the film layer and the coating process, when the single pulse energy is too high, the service life of the reflecting film on the lens can be rapidly reduced, even the service condition can not be met, and the coating process of the reflecting film with a large angle is complex and has high difficulty. The prism that this ultrafast solid laser used is isosceles trapezoid, and L1 incident light is the linear polarization, and when L1 incident light reaches S1 face, with 1 contained angle A of normal line as the incident angle, produces L2 refraction light after S1 face refraction, and L2 refraction light is refraction angle with 1 contained angle B of normal line, and L2 refraction light is when transmitting to S2 face in the quartz glass medium, with 2 contained angle C of normal line as the incident angle.
Description
Technical Field
The invention relates to the technical field of optical elements, in particular to a design method of a prism for an ultrafast solid laser.
Background
With the continuous expansion of the application field of the ultrafast solid laser in recent years, the ultrafast solid laser is developing towards the directions of high power and high pulse energy, the laser crystal is used as one of the core devices of the ultrafast solid laser, and the different modeling settings of the laser crystal can cause great difference in usage.
At present, almost all the reflectors adopt a coating method, mainly a Physical Vapor Deposition (PVD) method, which is abbreviated as PVD. PVD coating processes are generally classified into three types, which are vacuum evaporation, sputter coating, and ion plating. Vacuum evaporation utilizes the principle that metal becomes a gas when heated in vacuum and evaporates. The principle of sputter coating is that when high-energy particles strike a target, molecules or atoms in the target are struck, and when the target is used as a cathode and a substrate is used as an anode, ar gas in the vicinity of the cathode is ionized into Ar + when a high voltage is applied in an Ar atmosphere of about 10-2Torr, and the Ar + collides with the cathode, and the molecules or atoms struck by the Ar + ions are collided with the substrate and deposited to form a thin film. The best effect in the PVD coating process is an ion coating mode; the method is a technique of striking a target with an electric arc to excite target atoms to react with a reactive gas to form a compound to be deposited on the surface of a workpiece. After the furnace is operated to high vacuum, inert gas is introduced, bias voltage is applied to cause argon ions (Ar < + >) and negatively charged electrons (e < - >), and the positively charged argon ions can collide to the substrate with the negative bias voltage to clean the surface of the workpiece; then, a reaction gas is introduced to generate plasma between the target and the substrate of the substrate, so as to perform a coating operation. The method has high film forming speed and better density, and is mainly used for coating treatment of cutting tools.
The existing construction mode has the following problems: the damage-resistant threshold is limited by the material of the film layer and the coating process, when the single pulse energy is too high, the service life of the reflecting film on the lens can be rapidly reduced and even can not reach the use condition, and the coating process of the reflecting film with a large angle is complex and has high difficulty; therefore, a design method of a prism for an ultrafast solid-state laser is provided.
Disclosure of Invention
The invention aims to provide a design method of a prism for an ultrafast solid-state laser, which aims to solve the following problems in the existing construction mode proposed in the background technology: the damage-resistant threshold is limited by the material of the film layer and the coating process, when the single pulse energy is too high, the service life of the reflecting film on the lens can be rapidly reduced, even the service condition can not be met, and the coating process of the reflecting film with a large angle is complex and has high difficulty.
In order to achieve the purpose, the invention provides the following technical scheme: a design method of a prism for an ultrafast solid-state laser comprises the following steps:
the method comprises the following steps: the prism that this ultrafast solid laser used is isosceles trapezoid, L1 incident ray is the linear polarization light, when L1 incident ray incides to S1 face, with 1 contained angle A of normal line as the incident angle, produce L2 refraction light after S1 face refraction, L2 refraction light is refraction angle with 1 contained angle B of normal line, L2 refraction light is when transmitting to S2 face in quartz glass medium, contained angle C with normal line 2 is the incident angle, produce L3 reflection light after S2 face reflection, L3 reflection light is reflection angle with 2 contained angle D of normal line, L3 reflection light transmits to S3 face in quartz glass medium, contained angle E with normal line 3 is the incident angle, L3 reflection light produces L4 outgoing ray after S3 face refraction, L4 outgoing ray is refraction angle with 3 contained angle F of normal line, isosceles trapezoid base angle is G, the refracting index of light in quartz glass medium is n, when L1 incident ray is with brewster' S angle incident:
∠A＋∠B=90°
sin∠A=nsin∠B；
step two: calculating to obtain ≈ A = arctan (n) through a calculation formula of the first step; when 90 DEG & gt C & gt is larger than or equal to arcsin (1/n), L2 refracted light rays are subjected to total reflection on an S2 surface, at the moment, C and D meet the reflection law, C & lt D & gt is larger than or equal to D & lt A + & gt G-90 DEG, E & lt and F meet the refraction law, E & lt =90 DEG-A & lt B is calculated, F & lt = A = arctan (n) is reversibly obtained through a light path, namely E is also a Brewster angle, and therefore when the condition & lt A & = arctan (n) and the condition & lt A & gt G-90 DEG & gt arcsin (1/n) are met, the light path can be turned;
step three: the included angle of the incident light of L1 and the emergent light of L4 is ≈ H, then ≤ C + < D = 90-0.5 ≤ H-a + < B, and ≤ G = 135-0.25 ≤ H-2arctan (n) can be obtained through calculation, because of the condition limitation of ≤ C, the ≤ H is also limited relative to the size, but the folding angle range of the light path is also large enough, and proper incident surface size and total reflection surface size can be designed according to the requirement on the size of the prism, so that the prism suitable for the light path of the system can be designed, and the prism is an isosceles trapezoid and can be processed in an operation processing main body;
the operation processing main part is provided with an upper operation cover, the upper operation cover is connected with the operation processing main part in a rotating and overturning mode through a damping rotating shaft body, a front observation window is arranged inside the front end face of the operation processing main part, the front observation window is embedded and fixedly connected with the inside of the front end face of the operation processing main part, and a power line is arranged on one side of the operation processing main part.
Preferably, the inside of operation processing main part is provided with first interior cavity, the both sides of first interior cavity inner wall are provided with first telescopic link, and first telescopic link is provided with two, two the one end of first telescopic link all with operation processing main part hydraulic stretching connects, two the other end of first telescopic link is provided with the fixed disk, one side of fixed disk is provided with the sucking disc, and one side and the fixed disk hot melt of sucking disc are connected.
Preferably, a second inner cavity is arranged inside the upper operating cover, and an inner element of the upper operating cover is electrically connected with the operating processing main body.
Preferably, the inside both sides of cavity all are provided with first carriage release lever in the second, and first carriage release lever is provided with two, two the both ends of first carriage release lever all through first dabber and last operating cover back-and-forth movement connection, and first dabber is provided with four.
Preferably, one side of the two first moving rods is provided with two second moving rods, the two second moving rods are connected with the first moving rods in a left-right moving mode through second electric shafts, and the two second electric shafts are arranged.
Preferably, the front end faces of the two second moving rods are provided with connecting blocks, the connecting blocks are connected with the second moving rods in an up-and-down mode through third electric shafts, and the number of the third electric shafts is two.
Preferably, the front end face of the connecting block is provided with a fixing rod, the front end face of the fixing rod is provided with an operating motor, the front end face of the operating motor is provided with a polishing piece, and the polishing piece is connected with the operating motor in a high-speed rotating mode.
Preferably, the specific processing steps of the operation processing main body are as follows:
s101, placing the bottom of a lens between two suckers, enabling the two suckers to respectively clamp the lens from two sides by a first telescopic rod when the first telescopic rod works, installing a pressure sensor in each sucker, stopping using the first telescopic rod when a pressure value sensed by the pressure sensor exceeds a safe pressure threshold value which can be borne by the lens, finishing clamping and fixing the lens to be designed, and covering an upper operation cover;
s102, taking the bottom middle point of the lens to be designed as a zero point
Building a coordinate system
The distances from the axis point to the four corners of the lens are the same according to the length of the bottom surface of the lens
Base angle G of lens and lens height
Calculating the length of the upper surface of the lens to be obtained after polishing
，
The calculation formula of (2) is as follows:
the controller controls the polishing plates and the operating motor to move along the Z axis firstly, so that the polishing plates and the operating motor move to the positions as high as the upper surface of the lens, the controller controls the operating motor to work to drive the polishing plates to rotate, then the second moving rod and the connecting block act to enable the two polishing plates to move oppositely, and the two polishing plates move to the relative distance
Polishing the two sides of the upper end of the lens;
s103, enabling the polishing sheet to slide downwards along the side surface of the lens to polish the side surface of the lens, and setting the sliding speed of the polishing sheet and the operating motor on the second moving rod to be equal to
To do so
In which
The required moving speed of the first moving rod on the first electric axis is required for the moving time
，
Therefore, it is possible to
The calculation formula of (c) is:
the controller is according to
And
the transverse and longitudinal moving speeds of the polishing sheet are controlled according to the proportional relation, and the side surface of the lens is uniformly polished.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention has simple and clear structure and principle, can design the model of the prism only by confirming the constituent material of the prism and the wavelength of the incident light, and then design the size of the prism according to the actual light path, and has the biggest advantages that the design principle of the prism is simple and clear, the application range is wide, and different prisms can be designed according to different light path turning angles; the symmetrical structure design of the lens also realizes the advantages of simple and easy installation and adjustment of the actual light path, and the like, can effectively solve the problem of the deflection of the pulse laser light path with large angle, large energy and high damage, is simple and understandable in design method, and can be flexibly applied to the change design of various light path deflection angles.
2. The invention can realize the symmetry of the incident and emergent light paths, and is convenient for the adjustment of the actual light path; and a dielectric film is not required to be plated, so that the damage resistance threshold of the lens is improved.
3. The invention has wide application range, and can be realized by adjusting the incident angle and the base angle of the prism aiming at the light paths with different wave bands and the refraction and rotation angles of different light paths.
Drawings
FIG. 1 is a schematic diagram of the overall crystal processing architecture of the present invention;
FIG. 2 is a schematic view of the internal structure of the working machine body according to the present invention;
FIG. 3 is a schematic view of the internal structure of the upper operating cover of the present invention;
FIG. 4 is an enlarged view of the structure of part A of the present invention;
FIG. 5 is a top view of a prismatic crystal body of the present invention;
in the figure: 1. operating the machining main body; 101. a front viewing window; 102. a power line; 103. a first inner cavity; 104. a first telescopic rod; 105. fixing the disc; 106. a suction cup; 2. an upper operating cover; 201. a second inner cavity; 202. a first electrical shaft; 203. a first movable bar; 204. a second movable bar; 205. connecting blocks; 206. a second electrical shaft; 207. a third electrical shaft; 208. fixing the rod; 209. operating the motor; 210. grinding the sheets; 3. a damping rotation shaft body.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example 1
Referring to fig. 1-5, an embodiment of the present invention is shown: a design method of a prism for an ultrafast solid-state laser comprises the following steps:
the method comprises the following steps: the prism that this ultrafast solid laser used is isosceles trapezoid, L1 incident ray is the linear polarization light, when L1 incident ray incides to S1 face, with 1 contained angle A of normal line as the incident angle, produce L2 refraction light after S1 face refraction, L2 refraction light is refraction angle with 1 contained angle B of normal line, L2 refraction light is when transmitting to S2 face in quartz glass medium, contained angle C with normal line 2 is the incident angle, produce L3 reflection light after S2 face reflection, L3 reflection light is reflection angle with 2 contained angle D of normal line, L3 reflection light transmits to S3 face in quartz glass medium, contained angle E with normal line 3 is the incident angle, L3 reflection light produces L4 outgoing ray after S3 face refraction, L4 outgoing ray is refraction angle with 3 contained angle F of normal line, isosceles trapezoid base angle is G, the refracting index of light in quartz glass medium is n, when L1 incident ray is with brewster' S angle incident:
∠A＋∠B=90°
sin∠A=nsin∠B；
step two: calculating to obtain ≈ A = arctan (n) through a calculation formula of the first step; when 90 DEG & gt C & gt is larger than or equal to arcsin (1/n), L2 refracted light rays are subjected to total reflection on an S2 surface, at the moment, C and D meet the reflection law, C & lt D & gt is larger than or equal to D & lt A + & gt G-90 DEG, E & lt and F meet the refraction law, E & lt =90 DEG-A & lt B is calculated, F & lt = A = arctan (n) is reversibly obtained through a light path, namely E is also a Brewster angle, and therefore when the condition & lt A & = arctan (n) and the condition & lt A & gt G-90 DEG & gt arcsin (1/n) are met, the light path can be turned;
step three: the included angle of the incident light of L1 and the emergent light of L4 is ≈ H, then ≤ C + < D = 90-0.5 ≤ H-a + < B, and ≤ G = 135-0.25 ≤ H-2arctan (n) can be obtained through calculation, because of the condition limitation of ≤ C, the ≤ H is also limited relative to the size, but the folding angle range of the light path is also large enough, and proper incident surface size and total reflection surface size can be designed according to the requirement on the size of the prism, so that the prism suitable for the light path of the system can be designed, and the prism is an isosceles trapezoid and can be processed in an operation processing main body;
wherein, the top of operation processing main part 1 is provided with operation lid 2, goes up operation lid 2 and rotates the upset through damping rotation axis body 3 and operation processing main part 1 and be connected, and observation window 101 before the inside of terminal surface is provided with before operation processing main part 1, and before observation window 101 embedded with the inside fixed connection of terminal surface before operation processing main part 1, one side of operation processing main part 1 is provided with power cord 102.
The design method of the prism has simple and clear principle and wide application range, and different prisms can be designed according to different light path turning angles; the symmetrical structure design of the lens also realizes the advantages of simple and easy adjustment of an actual light path and the like, can effectively solve the problem of the deflection of the pulse laser light path with large angle, large energy and high damage, is simple and understandable, and can be flexibly applied to the change design of various light path deflection angles.
Example 2
Referring to fig. 1, a first inner cavity 103 is disposed inside an operation processing main body 1, two first telescopic rods 104 are disposed on two sides of an inner wall of the first inner cavity 103, the number of the first telescopic rods 104 is two, one end of each of the two first telescopic rods 14 is hydraulically and telescopically connected with the operation processing main body 1, the other end of each of the two first telescopic rods 14 is provided with a fixed disk 105, one side of the fixed disk 105 is provided with a suction cup 106, and one side of the suction cup 106 is thermally connected with the fixed disk 105.
Referring to fig. 1 and 3, a second inner cavity 201 is disposed inside the upper operating cover 2, and the inner components of the upper operating cover 2 are electrically connected to the operating and processing body 1.
Referring to fig. 1, two first moving rods 203 are disposed on two sides of the inside of the second inner cavity 201, two first moving rods 203 are disposed, two ends of the two first moving rods 203 are connected with the upper operating cover 2 in a back-and-forth movement manner through the first electric shaft 202, and four first electric shafts 202 are disposed.
Referring to fig. 3 and 4, two second moving rods 204 are disposed on one side of the two first moving rods 203, two second moving rods 204 are disposed, the two second moving rods 204 are connected with the first moving rods 203 in a left-right direction through two second electric shafts 206, and two second electric shafts 206 are disposed.
Referring to fig. 3 and 4, two connection blocks 205 are disposed on the front end surfaces of the two second moving rods 204, the connection blocks 205 are connected to the second moving rods 204 by a third electric shaft 207 in an up-and-down movement manner, and two third electric shafts 207 are disposed.
Referring to fig. 3 and 4, a fixing rod 208 is disposed on a front end surface of the connecting block 205, an operating motor 209 is disposed on a front end surface of the fixing rod 208, a polishing plate 210 is disposed on a front end surface of the operating motor 209, and the polishing plate 210 is rotatably connected to the operating motor 209 at a high speed.
The specific processing steps of the operation processing main body 1 for processing the lens side surface are as follows:
s101, placing the bottom of a lens between two suckers 106, enabling the two suckers to respectively clamp the lens from two sides by the aid of a first telescopic rod 104 when working, installing pressure sensors in the suckers, stopping using the first telescopic rod 104 when a pressure value sensed by the pressure sensors exceeds a safety pressure threshold value which can be borne by the lens, finishing clamping and fixing the lens to be designed, and covering an upper operating cover 2;
s102, taking the bottom middle point of the lens to be designed as a zero point
Building a coordinate system
The distances from the axis point to the four corners of the lens are the same according to the length of the bottom surface of the lens
Base angle G of lens and lens height
Calculating the length of the upper surface of the lens to be obtained after polishing
，
The calculation formula of (c) is:
the controller controls the polishing plates 210 and the operating motor 209 to move along the Z axis firstly to enable the polishing plates 210 and the operating motor 209 to move to the positions as high as the upper surface of the lens, the controller controls the operating motor 209 to work to drive the polishing plates 210 to rotate, then the second moving rods 204 and the connecting blocks 205 act to enable the two polishing plates 210 to move oppositely to enable the two polishing plates 210 to move to the relative distance of
Polishing the two sides of the upper end of the lens;
s103, enabling the polishing sheet 210 to slide downwards along the side surface of the lens to polish the side surface of the lens, and setting the sliding speed of the polishing sheet 210 and the operating motor 209 on the second moving rod 204 to be as follows
To do so
Wherein
The required moving speed of the first moving rod 203 on the first electric shaft 202 is required for the moving time
，
Therefore, it is
The calculation formula of (2) is as follows:
the controller is according to
And
the lateral and longitudinal moving speeds of the polishing plate 210 are controlled to uniformly polish the side surface of the lens.
The prism that can will process is placed in operation processing main part 1, stretches out by two first telescopic links 104 and drives sucking disc 106 and live the article centre gripping, and the inside first carriage release lever 203, second carriage release lever 204 and the connecting block 205 of rethread upper control lid 2 are by the rotation operation of first electric axis 202, second electric axis and third electric axis 207, drive operation motor 209 and can realize processing change on the three-dimensional direction, let each face of prism all can be processed the operation.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented by other methods. The above-described embodiments of the apparatus are merely illustrative, and for example, a division of a unit is merely a division of a logical function, and there may be other division methods in actual implementation, and for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection of devices or units through some communication interfaces, and may be in an electrical, mechanical or other form.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being included therein. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. A design method of a prism for an ultrafast solid state laser is characterized by comprising the following steps:
the method comprises the following steps: the prism that this ultrafast solid laser used is isosceles trapezoid, L1 incident ray is the linear polarization light, when L1 incident ray incides to S1 face, with 1 contained angle A of normal line as the incident angle, produce L2 refraction light after S1 face refraction, L2 refraction light is refraction angle with 1 contained angle B of normal line, L2 refraction light is when transmitting to S2 face in quartz glass medium, contained angle C with normal line 2 is the incident angle, produce L3 reflection light after S2 face reflection, L3 reflection light is reflection angle with 2 contained angle D of normal line, L3 reflection light transmits to S3 face in quartz glass medium, contained angle E with normal line 3 is the incident angle, L3 reflection light produces L4 outgoing ray after S3 face refraction, L4 outgoing ray is refraction angle with 3 contained angle F of normal line, isosceles trapezoid base angle is G, the refracting index of light in quartz glass medium is n, when L1 incident ray is with brewster' S angle incident:
∠A＋∠B=90°
sin∠A=nsin∠B；
step two: calculating to obtain ≈ A = arctan (n) through a calculation formula of the first step; when 90 DEG is more than or equal to < C > and more than or equal to arcsin (1/n), total reflection of L2 refraction light occurs on an S2 surface, at the moment < C and < D meet the reflection law, and = < C = < D = < A + < G-90 DEG, angle E and angle F meet the refraction law, angle E =90 DEG-A = B is obtained through calculation, and the optical path can be used for reversibly obtaining < F = A = arctan (n), namely the angle E is also a Brewster angle, so when the conditions of < A = arctan (n) and the conditions of < A-G-90 DEG are more than or equal to arcsin (1/n) are met, the turning of the optical path can be realized;
step three: the included angle of the incident light of L1 and the emergent light of L4 is ≈ H, then ≈ C + < D = 90-0.5 ≦ H- ≦ A +/B, and ≦ G = 135-0.25 ≦ H-2arctan (n) is obtained through calculation, because of the condition limitation of ≦ C, the size limitation of the ≦ H is also relative to the ≦ H, but the folding angle range of the light path is also large enough, and the proper incident surface size and the total reflection surface size can be designed according to the requirement on the size of the prism, so that the prism suitable for the light path of the system can be designed, and the prism is an isosceles trapezoid and can be processed in the operation processing main body (1);
the top of operation processing main part (1) is provided with operation lid (2), go up operation lid (2) and rotate the upset through damping rotation axis body (3) and operation processing main part (1) and be connected, the inside of terminal surface is provided with preceding observation window (101) before operation processing main part (1), and before observation window (101) embedded with the inside fixed connection of terminal surface before operation processing main part (1), one side of operation processing main part (1) is provided with power cord (102).
2. The method of claim 1, wherein the prism comprises: the inside of operation processing main part (1) is provided with first interior cavity (103), the both sides of first interior cavity (103) inner wall are provided with first telescopic link (104), and first telescopic link (104) are provided with two, two the one end of first telescopic link (104) all with operation processing main part (1) hydraulic telescoping connection, two the other end of first telescopic link (104) is provided with fixed disk (105), one side of fixed disk (105) is provided with sucking disc (106), and one side and fixed disk (105) hot melt of sucking disc (106) are connected.
3. The method of claim 2, wherein the prism comprises: the inner part of the upper operating cover (2) is provided with a second inner cavity (201), and the inner elements of the upper operating cover (2) are electrically connected with the operating and processing main body (1).
4. The method of claim 3, wherein the prism comprises: inside both sides of second inner chamber body (201) all are provided with first carriage release lever (203), and first carriage release lever (203) are provided with two, two the both ends of first carriage release lever (203) all through first electric axle (202) and last operating cover (2) back-and-forth movement connection, and first electric axle (202) are provided with four.
5. The method of claim 4, wherein the prism comprises: one side of each of the two first moving rods (203) is provided with two second moving rods (204), the number of the second moving rods (204) is two, the two second moving rods (204) are connected with the first moving rods (203) in a left-right moving mode through second electric shafts (206), and the number of the second electric shafts (206) is two.
6. The method of claim 5, wherein the prism comprises: the front end surfaces of the two second moving rods (204) are provided with connecting blocks (205), the connecting blocks (205) are connected with the second moving rods (204) in an up-and-down mode through third electric shafts (207), and the number of the third electric shafts (207) is two.
7. The method as claimed in claim 6, wherein the method comprises the steps of: the front end face of the connecting block (205) is provided with a fixing rod (208), the front end face of the fixing rod (208) is provided with an operating motor (209), the front end face of the operating motor (209) is provided with a polishing sheet (210), and the polishing sheet (210) is connected with the operating motor (209) in a high-speed rotating mode.
8. The method of claim 7, wherein the prism comprises: the specific processing steps of the operation processing main body (1) for processing the lens side surface are as follows:
s101, placing the bottom of a lens between two suckers (106), enabling the two suckers (106) to respectively clamp the lens by a first telescopic rod (104) when the first telescopic rod works, installing a pressure sensor in each sucker (106), stopping using the first telescopic rod (104) when a pressure value sensed by the pressure sensor exceeds a safe pressure threshold value which can be borne by the lens, finishing clamping and fixing the lens to be designed, and covering an upper operation cover (2);
s102, taking the bottom middle point of the lens to be designed as a zero point
Building a coordinate system
The distances from the axis point to the four corners of the lens are the same according to the length of the bottom surface of the lens
Base angle G of lens and lens height
Calculating the length of the upper surface of the lens to be obtained after polishing
，
The calculation formula of (2) is as follows:
the controller controls the polishing plate (210) and the operating motor (209) to move along the Z axis firstly, so that the polishing plate (210) and the operating motor (209) move to the position with the same height as the upper surface of the lens, the controller controls the operating motor (209) to work to drive the polishing plate (210) to rotate, and then the controller controls the operating motor (209) to work to drive the polishing plate (210) to rotateThe second moving rod (204) and the connecting block (205) act to move the two polishing sheets (210) towards each other, so that the two polishing sheets (210) move to the relative distance of
Polishing the two sides of the upper end of the lens;
s103, sliding the polishing sheet (210) downwards along the side surface of the lens to polish the side surface of the lens, and setting the sliding speed of the polishing sheet (210) and the operating motor (209) on the second moving rod (204) to be equal to
To do so
Wherein
The required moving speed of the first moving rod (203) on the first electric shaft (202) is required for the moving time
，
Therefore, it is
The calculation formula of (2) is as follows:
the controller is according to
And
the lateral and longitudinal moving speeds of the polishing plate (210) are controlled according to the proportional relation, and the side surface of the lens is uniformly polished.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0694905A (en) * | 1992-09-11 | 1994-04-08 | Nikon Corp | Erecting inclination type prism optical system |
| JP2007012981A (en) * | 2005-07-01 | 2007-01-18 | National Institute Of Information & Communication Technology | Laser with high reflective coating on interior total reflection surface of optical element |
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| CN110618480A (en) * | 2019-09-26 | 2019-12-27 | 上海科乃特激光科技有限公司 | 90-degree deflection optical element, and use method and application thereof |
| CN213498173U (en) * | 2020-11-20 | 2021-06-22 | 昆山市健侑科技有限公司 | Adjustable polishing assembly |
| CN213570159U (en) * | 2020-11-04 | 2021-06-29 | 福州荣德光电科技有限公司 | Prism processingequipment with protection machanism |
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2023
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| JPH0694905A (en) * | 1992-09-11 | 1994-04-08 | Nikon Corp | Erecting inclination type prism optical system |
| JP2007012981A (en) * | 2005-07-01 | 2007-01-18 | National Institute Of Information & Communication Technology | Laser with high reflective coating on interior total reflection surface of optical element |
| CN105334556A (en) * | 2015-12-01 | 2016-02-17 | 苏州谱道光电科技有限公司 | Reflecting prism for optical resonant cavity and optical resonant cavity and optical spectrum measuring instrument applying same |
| CN106112977A (en) * | 2016-07-21 | 2016-11-16 | 华中科技大学无锡研究院 | A kind of curved surface class workpiece submissive polishing Serial-Parallel Type robot technique platform |
| CN110618480A (en) * | 2019-09-26 | 2019-12-27 | 上海科乃特激光科技有限公司 | 90-degree deflection optical element, and use method and application thereof |
| CN213570159U (en) * | 2020-11-04 | 2021-06-29 | 福州荣德光电科技有限公司 | Prism processingequipment with protection machanism |
| CN213498173U (en) * | 2020-11-20 | 2021-06-22 | 昆山市健侑科技有限公司 | Adjustable polishing assembly |
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| CN115826112B (en) | 2023-05-05 |
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