JPH022671U - - Google Patents
Info
- Publication number
- JPH022671U JPH022671U JP7950788U JP7950788U JPH022671U JP H022671 U JPH022671 U JP H022671U JP 7950788 U JP7950788 U JP 7950788U JP 7950788 U JP7950788 U JP 7950788U JP H022671 U JPH022671 U JP H022671U
- Authority
- JP
- Japan
- Prior art keywords
- laser
- laser beams
- beam splitters
- current meter
- sets
- 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.)
- Pending
Links
- 230000003287 optical effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
Landscapes
- Measuring Volume Flow (AREA)
Description
第1図は本考案によるレーザ流速計の一実施例
の概略構成を示す図、第2図および第3図は第1
図を補足説明するための図、第4図は本考案によ
るレーザ流速計の測定原理を説明するための図、
第5図〜第7図は第1図のレーザ流速計の作用効
果を説明するための図、第8図〜第10図は従来
のレーザ流速計の一例を説明するための図である
。
1……アルゴンレーザ、3……波長分散プリズ
ム、8……グリーン光用ビームスプリツタ、10
……ブルー光用ビームスプリツタ、11……収束
レンズ、12……受光レンズ。
FIG. 1 is a diagram showing a schematic configuration of an embodiment of a laser current meter according to the present invention, and FIGS.
Figure 4 is a diagram for explaining the measurement principle of the laser current meter according to the present invention.
5 to 7 are diagrams for explaining the functions and effects of the laser current meter shown in FIG. 1, and FIGS. 8 to 10 are diagrams for explaining an example of a conventional laser current meter. 1...Argon laser, 3...Wavelength dispersion prism, 8...Beam splitter for green light, 10
... Beam splitter for blue light, 11 ... Converging lens, 12 ... Light receiving lens.
Claims (1)
光源より出射した波長の異なる2本のレーザビー
ムを各々2本の平行なレーザビームに分割する2
組のビームスプリツタを光軸に対して任意の角度
に調整可能で、かつ分割した2本のレーザビーム
に垂直な方向のビームスプリツタの厚さtをlt
anβ(ここで、lは分割したレーザビームの間
隔、βは2組のビームスプリツタの成す角度であ
る。)で与えられる値以下にした2組のビームス
プリツタを有するレーザ流速計。 In a non-contact current meter using a laser, two laser beams with different wavelengths emitted from a laser light source are split into two parallel laser beams.
The set of beam splitters can be adjusted to any angle with respect to the optical axis, and the thickness t of the beam splitter in the direction perpendicular to the two divided laser beams is lt.
A laser current meter having two sets of beam splitters whose value is less than or equal to the value given by anβ (where l is the interval between the divided laser beams and β is the angle formed by the two sets of beam splitters).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7950788U JPH022671U (en) | 1988-06-17 | 1988-06-17 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7950788U JPH022671U (en) | 1988-06-17 | 1988-06-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH022671U true JPH022671U (en) | 1990-01-09 |
Family
ID=31304382
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7950788U Pending JPH022671U (en) | 1988-06-17 | 1988-06-17 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH022671U (en) |
-
1988
- 1988-06-17 JP JP7950788U patent/JPH022671U/ja active Pending
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