JPS6184570U - - Google Patents
Info
- Publication number
- JPS6184570U JPS6184570U JP16853884U JP16853884U JPS6184570U JP S6184570 U JPS6184570 U JP S6184570U JP 16853884 U JP16853884 U JP 16853884U JP 16853884 U JP16853884 U JP 16853884U JP S6184570 U JPS6184570 U JP S6184570U
- Authority
- JP
- Japan
- Prior art keywords
- fiber
- velocity
- measuring
- laser
- laser beam
- 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
- 239000000835 fiber Substances 0.000 claims description 11
- 238000005259 measurement Methods 0.000 claims description 7
- 239000000523 sample Substances 0.000 claims description 4
- 239000011859 microparticle Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Light Guides In General And Applications Therefor (AREA)
- Optical Radar Systems And Details Thereof (AREA)
- Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
Description
第１図は本考案の一実施例の構成を示す図、第
２図は第１図に示す一実施例におけるＸ方向の速
度とＹ方向の速度Ｙの関係を示す図、第３図およ
び第４図はそれぞれ従来例を説明するための図で
ある。
１０３…一軸移動ステージ、１０４…ハーフミ
ラー、１０５…ミラー、１０８ａ，１０８ｂ，１
１０ａ，１１０ｂ…レーザ入射側ロツドレンズ、
１０８ｃ，１０８ｄ，１１０ｃ，１１０ｄ…出射
側ロツドレンズ、１０９ａ，１０９ｂ…Ｘ方向計
測用送光フアイバ、１１１ａ，１１１ｂ…Ｙ方向
計測用送光フアイバ、１１２…フアイバプローブ
、１１３…集光レンズ、１１４…受光レンズ、１
１５…受光用フアイバ、１１７…計測点、１１９
…光電変換器、１２０…信号処理器、１２１…計
算機。
FIG. 1 is a diagram showing the configuration of an embodiment of the present invention, FIG. 2 is a diagram showing the relationship between the velocity in the X direction and the velocity Y in the Y direction in the embodiment shown in FIG. FIG. 4 is a diagram for explaining the conventional example. 103... Uniaxial movement stage, 104... Half mirror, 105... Mirror, 108a, 108b, 1
10a, 110b...Laser incidence side rod lens,
108c, 108d, 110c, 110d... Output side rod lens, 109a, 109b... Light transmitting fiber for X direction measurement, 111a, 111b... Light transmitting fiber for Y direction measurement, 112... Fiber probe, 113... Condensing lens, 114... Light receiving lens, 1
15... Light receiving fiber, 117... Measurement point, 119
...Photoelectric converter, 120...Signal processor, 121...Computer.
Claims (1)
通過する微小粒子が散乱するレーザ散乱光を電気
信号に変換し、この電気信号を処理して流速に対
応した信号を出力するレーザ流速計において、ハ
ーフミラーで分割した２本のビームの位置又は向
きを変える手段と、それぞれ方向およびＹ方向
計測用の各２本の送光フアイバ、受光用フアイバ
、集光レンズおよび受光レンズよりなるフイーバ
プローブと、このフアイバプローブを用いそ上記
Ｘ方向計測用送光フアイバにレーザビームを入射
してＸ方向の速度を計測する手段と、上記フアイ
バプローブを用い且つ上記ハーフミラーを移動さ
せて上記Ｙ方向計測用送光フアイバにレーザビー
ムを入射してＹ方向の速度を計測する手段とを具
備してなることを特徴とするレーザ流速計。 In a laser current meter, a laser beam is focused on a measurement point, the laser scattered light scattered by microparticles passing through this measurement point is converted into an electrical signal, and this electrical signal is processed to output a signal corresponding to the flow velocity. , a means for changing the position or direction of two beams divided by a half mirror, and a fiber probe consisting of two light transmitting fibers for direction and Y direction measurements, a light receiving fiber, a condensing lens, and a light receiving lens. and means for measuring the velocity in the X direction by using the fiber probe and injecting a laser beam into the light transmitting fiber for measurement in the X direction; and means for measuring the velocity in the Y direction by using the fiber probe and moving the half mirror. 1. A laser current meter comprising means for measuring velocity in the Y direction by inputting a laser beam into a light transmitting fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16853884U JPS6184570U (en) | 1984-11-08 | 1984-11-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16853884U JPS6184570U (en) | 1984-11-08 | 1984-11-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6184570U true JPS6184570U (en) | 1986-06-04 |
Family
ID=30726306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16853884U Pending JPS6184570U (en) | 1984-11-08 | 1984-11-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6184570U (en) |
-
1984
- 1984-11-08 JP JP16853884U patent/JPS6184570U/ja active Pending
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