CN109638616A - Ultrashort pulse energy stability measuring device based on fibre-optical dispersion glistening light of waves orphan - Google Patents
Ultrashort pulse energy stability measuring device based on fibre-optical dispersion glistening light of waves orphan Download PDFInfo
- Publication number
- CN109638616A CN109638616A CN201811513339.6A CN201811513339A CN109638616A CN 109638616 A CN109638616 A CN 109638616A CN 201811513339 A CN201811513339 A CN 201811513339A CN 109638616 A CN109638616 A CN 109638616A
- Authority
- CN
- China
- Prior art keywords
- ultrashort pulse
- mirror
- fibre
- energy stability
- orphan
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/0014—Monitoring arrangements not otherwise provided for
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
Abstract
The invention discloses a kind of ultrashort pulse energy stability measuring devices based on fibre-optical dispersion glistening light of waves orphan.The device includes cabinet, side plate and is located in the box body attenuator, convex lens, optical fiber, fiber coupling outgoing mirror, grating, 45 ° of total reflective mirrors, baffle, photodetector and analog-digital converter.After ultra-short pulse laser enters the device, dispersive wave is generated in a fiber, and form soliton, detected by photodetector, shown by analog-digital converter and changed with the waveform for recording the dispersive wave soliton.The variation for analyzing this waveform obtains the energy stability of ultra-short pulse laser, to the measurement accuracy of ultrashort pulse energy stability up to 106Magnitude, far more than current digital oscilloscope to the measurement accuracy (~ 0.1%) of ultrashort pulse energy stability.The inventive structure is compact, small in size, easy to carry, cheap, is conducive to promote, is suitable for existing any kind of picosecond of femto-second laser system.
Description
Technical field
The invention belongs to laser technology fields, more particularly, are related to a kind of based on the ultrashort of fibre-optical dispersion glistening light of waves orphan
Pulse energy stability measuring device.
Background technique
Femto-second laser is widely used in micro-nano technology, nonlinear frequency conversion, physics and chemical ultra-fast dynamics
Research etc..Femto-second laser pulse energy stability decide these application signal stabilization degree, image definition, signal-to-noise ratio, very
To the availability etc. of laser light source.With the progress and raising of femtosecond laser technology, the stability of femtosecond pulse energy has reached
To 0.001% magnitude.The measurement of traditional pulse energy stability need using high-speed photodiode and high speed and it is high-precision
The oscillograph of degree is realized.By the interference of the electromagnetic signal in electronic equipment itself and the external world, pulse energy stability measurement is universal not
It is high.
In use due to the influence of the factors such as temperature, laser energy can gradually change laser.Therefore, exist
Frequent real-time high-acruracy survey is needed to realize that the laser energy of high stable is defeated to facilitate adjustment laser energy in use process
Out.
Summary of the invention
In order to solve prior art problem, the present invention provides a kind of ultrashort pulse energy based on fibre-optical dispersion glistening light of waves orphan
Stability measurement device is measured, ultrashort pulse is incident in optical fiber, can easily generate nonlinear effect, generates the dispersion glistening light of waves
Thus orphan can measure ultrashort pulse energy stability with nonlinear dispersive wave soliton.Meanwhile optical fiber core diameter is small, body
Product is small, is easily bent, compact-sized using the ultrashort pulse stable measurement of fibre-optical dispersion wave, small in size, transportability is strong.
The technical solution is as follows:
A kind of ultrashort pulse energy stability measuring device based on fibre-optical dispersion glistening light of waves orphan, including attenuator, convex lens, light
Fibre, fiber coupling outgoing mirror, grating, 45 ° of total reflective mirrors, baffle, photodetector and analog-digital converter.Ultrashort pulse is through described
Attenuator reduces energy, couples from the lens focus through the optical fiber, generates dispersion under the nonlinear effect of optical fiber
Glistening light of waves orphan, through the fiber coupling outgoing mirror collimation output to the grating, the grating will by diffraction effect
Ultrashort pulse is separated with dispersive wave soliton, and ultrashort pulse is reflexed to the baffle, ultrashort pulse by 45 ° of total reflective mirrors
Energy is absorbed by the baffle.Meanwhile dispersive wave is reflexed to the photodetector, dispersion by 45 ° of total reflective mirrors
Photodetector described in the optical signals of glistening light of waves orphan is converted into electric signal, is sampled through the analog-digital converter, record
And it is shown on the display screen of the analog-digital converter.
The convex lens is the fused silica glass of polishing, and diameter is 10 ~ 50mm, and 1 ~ 5mm of thickness, focal length is 25 ~ 100mm.
The optical fiber, is the silica fibre of single mode or multimode, inner core 3 ~ 50um of core diameter of optical fiber, the length of optical fiber >=
5m。
The fiber coupling outgoing mirror, by recessed anti-mirror and convex anti-microscope group at the spacing of two mirrors is that convex anti-mirror focal length subtracts
The focal length of recessed anti-mirror, at the same two mirror spacing may be implemented in it is adjustable in ± 4mm.
The convex anti-mirror focal length is 2 ~ 5 times of the recessed anti-mirror focal length.
The grating is through mode grating.
The photodetector is the consistent detector of dispersive wave Optical Soliton Wave appearance.
The analog-digital converter that the analog-digital converter is 8 or 16, and it is furnished with display.
Recessed anti-mirror, the convex anti-mirror and 45 ° of mirror surfaces are coated with the silverskin of high reflectance.
Technical solution provided by the invention has the benefit that
The present invention provides a kind of ultrashort pulse energy stability measuring device based on fibre-optical dispersion glistening light of waves orphan, ultrashort pulse warp
After crossing optical fiber, the dispersive wave soliton of nonlinear effect is generated, by the direct measurement to dispersive wave soliton, is realized to superconduction
The measurement of pulse energy stability, measurement accuracy can be to 106.Since the core diameter of optical fiber is small, length is long, even if to weaker super
Short pulse can also generate the dispersive wave soliton of nonlinear effect.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is light path design figure；
Fig. 2 is the left plate figure of cabinet.
In figure:
1- attenuator；2- lens；3- optical fiber；4- fiber optic collimator outgoing mirror；The convex anti-mirror of 41-；The recessed anti-mirror of 42-；5- grating；6-45°
Reflecting mirror；7- baffle；8- photodetector；9- analog-digital converter sampler；10- ultrashort pulse entry port.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is described in further detail.
Fig. 1 is that light path design figure is shown with the size of part practical devices, and Fig. 2 is the left plate figure of cabinet.
The present invention provides a kind of ultrashort pulse energy stability measuring devices based on fibre-optical dispersion glistening light of waves orphan, including
Cabinet, side plate and it is located in the box body optical module.Cabinet upper left side plate is equipped with superconducting pulse entry port 10, the optics
Component includes attenuator 1, convex lens 2, optical fiber 3, fiber optic collimator outgoing mirror 4, grating 5,45 ° of total reflective mirrors 6, baffles 7, photodetection
Device 8 and analog-digital converter 9.The fiber optic collimator outgoing mirror 4 is made of recessed anti-mirror 41 and convex anti-mirror 42.
Ultrashort pulse is successively passed through from the ultrashort pulse entry port 10 of the cabinet upper left side plate through the attenuator 1
Convex lens 2, the optical fiber 3, the fiber optic collimator outgoing mirror 4, the grating 5 and 45 ° of total reflective mirrors
6, it is rear to the baffle 7, it is absorbed by the baffle 7.The dispersive wave that ultrashort pulse is generated in the optical fiber 3, successively passes through
Fiber optic collimator outgoing mirror 4, the grating 5 and 45 ° of total reflective mirrors 6, it is rear to the photodetector 8, institute
Optical signal detection is converted to electric signal and handled through the analog-digital converter 9 by the photodetector 8 stated, and shows the photoelectricity
The waveform that detector 8 detects, is checked by waveform, obtains contrast of ultrashort pulse.
Preferably, the attenuator 1 can be reflection-type or absorbability attenuator, and decaying multiplying power is adjustable.It can be to ultrashort
The strength control of pulse is in 1 ~ 10nJ of single pulse energy.
Preferably, the convex lens 2 is the fused silica glass of polishing, and focal length is 25 ~ 100mm, and ultrashort pulse is focused coupling
It closes in optical fiber 3 described in mirror.
Preferably, it can also be multimode fibre that the optical fiber 3, which is single mode optical fiber, and the core diameter of optical fiber is 3 ~ 50um, length >=
5m, ultrashort pulse generate nonlinear dispersive wave in the optical fiber.
Preferably, the fiber optic collimator outgoing mirror 4 is made of the convex anti-mirror 41 and the recessed anti-mirror 42, can
Collimation exports while satisfaction to dispersive wave soliton and ultrashort pulse no color differnece.
Preferably, the grating 5 is through mode grating, and ultrashort pulse and dispersive wave soliton pass through the grating 5
Diffraction, from dispersive wave since wavelength is different, diffracting effect is different and separates for ultrashort pulse.
Preferably, the photodetector 8 is the consistent detector of dispersive wave Optical Soliton Wave appearance, be can be realized to super
Dispersive wave soliton detection of the short pulse in the optical fiber 3.
Preferably, the analog-digital converter that the analog-digital converter 9 is 8 or 16, the photodetector 8 is visited
The analog electrical signal measured is converted into digital signal, and on the display being shown on the analog-digital converter 9.
The serial number of the above embodiments of the invention is only for description, does not represent the advantages or disadvantages of the embodiments.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (7)
1. a kind of ultrashort pulse energy stability measuring device based on fibre-optical dispersion glistening light of waves orphan, which is characterized in that including declining
Subtract device (1), convex lens (2), optical fiber (3), fiber coupling outgoing mirror (4), grating (5), 45 ° of total reflective mirrors (6), baffle (7), photoelectricity
Detector (8) and analog-digital converter (9), ultrashort pulse focus coupling through the attenuator (1), from the convex lens (2)
Into the optical fiber (3), dispersive wave soliton is generated under the nonlinear effect of optical fiber, through the fiber coupling outgoing mirror
(5) collimation output, until the grating (5), the grating (5) passes through diffraction effect for ultrashort pulse and dispersive wave soliton
It separates, 45 ° of total reflective mirrors (6) reflex to ultrashort pulse on the baffle (7), while by soliton to the light
The optical signal of dispersive wave soliton is converted into electric signal by electric explorer (8), is sampled through the analog-digital converter (9), note
It records and is shown on the display screen of the analog-digital converter (9).
2. the ultrashort pulse energy stability measuring device according to claim 1 based on fibre-optical dispersion glistening light of waves orphan,
Be characterized in that, the convex lens (1) be polishing fused silica glass, diameter be 10 ~ 50mm, 1 ~ 5mm of thickness, focal length be 25 ~
100mm。
3. the ultrashort pulse energy stability measuring device according to claim 1 based on fibre-optical dispersion glistening light of waves orphan,
It is characterized in that, the optical fiber (3), is the silica fibre of single mode or multimode, inner core 3 ~ 50um of core diameter of optical fiber, the length of optical fiber
Degree >=5m.
4. the ultrashort pulse energy stability measuring device according to claim 1 based on fibre-optical dispersion glistening light of waves orphan,
It is characterized in that, the fiber coupling outgoing mirror (4) is by convex anti-mirror (41) and recessed anti-microscope group at (42), and the convex anti-mirror is burnt
Away from being 2 ~ 5 times of the recessed anti-mirror focal length, the spacing of two mirrors is the focal length that convex anti-41 focal length of mirror subtracts recessed anti-mirror, while two mirrors
Spacing may be implemented in adjustable in ± 4mm.
5. the ultrashort pulse energy stability measuring device according to claim 1 based on fibre-optical dispersion glistening light of waves orphan,
It is characterized in that, the grating (5) is through mode grating.
6. the ultrashort pulse energy stability measuring device according to claim 1 based on fibre-optical dispersion glistening light of waves orphan,
It is characterized in that, the analog-digital converter that the analog-digital converter (9) is 8 or 16, and is furnished with display.
7. the ultrashort pulse energy stability measuring device based on fibre-optical dispersion glistening light of waves orphan according to claim 4,
It is characterized in that, the recessed anti-mirror (42), the convex anti-mirror (41) and 45 ° of total reflective mirror (6) surfaces are coated with height
The silverskin of reflectivity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811513339.6A CN109638616B (en) | 2018-12-11 | 2018-12-11 | Ultrashort pulse energy stability measuring device based on fibre-optical dispersion glistening light of waves orphan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811513339.6A CN109638616B (en) | 2018-12-11 | 2018-12-11 | Ultrashort pulse energy stability measuring device based on fibre-optical dispersion glistening light of waves orphan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109638616A true CN109638616A (en) | 2019-04-16 |
| CN109638616B CN109638616B (en) | 2019-10-29 |
Family
ID=66072770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811513339.6A Active CN109638616B (en) | 2018-12-11 | 2018-12-11 | Ultrashort pulse energy stability measuring device based on fibre-optical dispersion glistening light of waves orphan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109638616B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2802043A1 (en) * | 2013-05-08 | 2014-11-12 | Max-Planck-Gesellschaft zur Förderung der Wissenschaften e.V. | Method and light pulse source for generating soliton light pulses |
| CN105790046A (en) * | 2016-05-30 | 2016-07-20 | 重庆理工大学 | Detection and assessment method for pulse laser output pulse energy stability |
| CN106532426A (en) * | 2017-01-09 | 2017-03-22 | 深圳大学 | Enhancing device for multiphoton imaging signal |
| CN108899754A (en) * | 2018-07-26 | 2018-11-27 | 天津大学 | Photonic crystal fiber orphan's stable output wavelength device and method |
-
2018
- 2018-12-11 CN CN201811513339.6A patent/CN109638616B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2802043A1 (en) * | 2013-05-08 | 2014-11-12 | Max-Planck-Gesellschaft zur Förderung der Wissenschaften e.V. | Method and light pulse source for generating soliton light pulses |
| CN105790046A (en) * | 2016-05-30 | 2016-07-20 | 重庆理工大学 | Detection and assessment method for pulse laser output pulse energy stability |
| CN106532426A (en) * | 2017-01-09 | 2017-03-22 | 深圳大学 | Enhancing device for multiphoton imaging signal |
| CN108899754A (en) * | 2018-07-26 | 2018-11-27 | 天津大学 | Photonic crystal fiber orphan's stable output wavelength device and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109638616B (en) | 2019-10-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP3546917B2 (en) | Ultrashort light pulse transmission device, generation device and transmission method | |
| CN101900608B (en) | Multifunctional wide-range ultra-short pulsed laser autocorrelator | |
| CN110488340B (en) | Subminiature interference type ultrafast X-ray optical fiber detector | |
| CN102155997B (en) | Optical-fiber type laser wavemeter | |
| Chen et al. | Terahertz-range weak reflection fiber optic structures for sensing applications | |
| CN102998260A (en) | Two-photon entanglement-based terahertz wave imaging device | |
| CN108398244A (en) | Optical fiber laser parameter real-time measuring device based on inclined fiber bragg grating | |
| CN105548722A (en) | Measuring system of ferromagnetic material terahertz dielectric constant | |
| CN103983571A (en) | Detector pixel response nonuniform error correction device and correction method thereof | |
| CN111220572A (en) | Nonlinear optical pumping detection device | |
| CN101858785A (en) | Device for improving spectral quality of micro-spectrometer | |
| Guo et al. | High-spatial-resolution high-temperature sensor based on ultra-short fiber Bragg gratings with dual-wavelength differential detection | |
| CN103776550A (en) | Supercontinuum pulse laser measurement device based on nonlinear nano material and method | |
| CN111220573A (en) | Nonlinear optical absorption cross section measuring method | |
| CN109638616B (en) | Ultrashort pulse energy stability measuring device based on fibre-optical dispersion glistening light of waves orphan | |
| CN110596630B (en) | Frequency calibration system and method based on diamond NV color center quantum precision measurement device | |
| US20080266543A1 (en) | Systems and methods for measuring ultra-short light pulses | |
| CN100424483C (en) | Measuring device using supershort pulse frequency resolution optical switch method | |
| CN211155674U (en) | Common-path optical tomography system based on mechanical chirped long-period fiber grating | |
| CN208795461U (en) | It is a kind of for integrating the integrated detection device of visual field fiber spectrometer optical fiber property | |
| CN207180874U (en) | For producing the device of tunable pulse train | |
| CN107702797B (en) | Tunable pulse sequence generating device | |
| CN208270804U (en) | High-speed photodetector | |
| CN103837240A (en) | Autocorrelator | |
| CN203798455U (en) | Autocorrelator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |