JPH022686U - - Google Patents
Info
- Publication number
- JPH022686U JPH022686U JP7932288U JP7932288U JPH022686U JP H022686 U JPH022686 U JP H022686U JP 7932288 U JP7932288 U JP 7932288U JP 7932288 U JP7932288 U JP 7932288U JP H022686 U JPH022686 U JP H022686U
- Authority
- JP
- Japan
- Prior art keywords
- laser
- laser diode
- self
- photoelectric conversion
- conversion element
- 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
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims 3
Landscapes
- Optical Radar Systems And Details Thereof (AREA)
Description
第１図は本考案の一実施例を示す縦断側面図、
第２図は第一の従来例の正面図、第３図は要部の
説明図、第４図は第二の従来例の側面図である。
１３……レーザダイオード、１４……窓構造部
、１５……光電変換素子、１６……被測定物、２
２……セルフミキシングドツプラー測定器、２５
……内視鏡、２７……リレーレンズ、３２〜３５
……信号検出器、Ｌ……レーザ光、Ｌｒ……レー
ザ反射光。
FIG. 1 is a longitudinal sectional side view showing an embodiment of the present invention;
FIG. 2 is a front view of the first conventional example, FIG. 3 is an explanatory view of the main parts, and FIG. 4 is a side view of the second conventional example. 13... Laser diode, 14... Window structure, 15... Photoelectric conversion element, 16... Measured object, 2
2...Self-mixing Doppler measuring device, 25
...Endoscope, 27...Relay lens, 32-35
...Signal detector, L...Laser light, Lr...Laser reflected light.
Claims (1)
被測定物にレーザ光を照射し、このレーザ光と前
記被測定物から反射され前記レーザダイオード内
に帰還したレーザ反射光との周波数差から生じる
光ビートを検出する光電変換素子を前記窓構造部
から射出されるレーザ光の光軸上に配し、前記光
電変換素子が電気的に信号検出器に接続されてい
るセルフミキシングドツプラー測定器において、
複数のリレーレンズを連設した長竿状の内視鏡を
前記レーザダイオードの光軸上に設けたことを特
徴とするセルフミキシングドツプラー測定器。 A laser diode that has a window structure on its rear end surface irradiates a measured object with laser light, and an optical beat is generated from the frequency difference between this laser light and the laser reflected light that is reflected from the measured object and returned to the laser diode. A self-mixing Doppler measuring device in which a photoelectric conversion element for detecting is arranged on the optical axis of the laser beam emitted from the window structure, and the photoelectric conversion element is electrically connected to a signal detector,
A self-mixing Doppler measuring instrument characterized in that a long rod-shaped endoscope with a plurality of relay lenses arranged in series is provided on the optical axis of the laser diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7932288U JPH022686U (en) | 1988-06-15 | 1988-06-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7932288U JPH022686U (en) | 1988-06-15 | 1988-06-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH022686U true JPH022686U (en) | 1990-01-09 |
Family
ID=31304207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7932288U Pending JPH022686U (en) | 1988-06-15 | 1988-06-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH022686U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2485873C2 (en) * | 2011-06-16 | 2013-06-27 | Государственное образовательное учреждение высшего профессионального образования Томский государственный университет систем управления и радиоэлектроники (ГОУ ВПО ТУСУР) | Christian rosary |
-
1988
- 1988-06-15 JP JP7932288U patent/JPH022686U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2485873C2 (en) * | 2011-06-16 | 2013-06-27 | Государственное образовательное учреждение высшего профессионального образования Томский государственный университет систем управления и радиоэлектроники (ГОУ ВПО ТУСУР) | Christian rosary |