JPS56150720A - Laser beam transmitting device - Google Patents
Laser beam transmitting deviceInfo
- Publication number
- JPS56150720A JPS56150720A JP5456280A JP5456280A JPS56150720A JP S56150720 A JPS56150720 A JP S56150720A JP 5456280 A JP5456280 A JP 5456280A JP 5456280 A JP5456280 A JP 5456280A JP S56150720 A JPS56150720 A JP S56150720A
- Authority
- JP
- Japan
- Prior art keywords
- detector
- zoom lens
- magnification
- laser beam
- enters
- 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
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/10—Beam splitting or combining systems
- G02B27/108—Beam splitting or combining systems for sampling a portion of a beam or combining a small beam in a larger one, e.g. wherein the area ratio or power ratio of the divided beams significantly differs from unity, without spectral selectivity
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/10—Beam splitting or combining systems
- G02B27/14—Beam splitting or combining systems operating by reflection only
- G02B27/144—Beam splitting or combining systems operating by reflection only using partially transparent surfaces without spectral selectivity
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Radar Systems And Details Thereof (AREA)
- Optical Communication System (AREA)
Abstract
PURPOSE:To stabilize the divergence angle of beams of tansmission laser beam by introducing part of the laser beam from a laser oscillator to a beam divergence detector, and controlling the divergence angle of beams of the transmission optical system based on the output of this detector. CONSTITUTION:The laser beam outputted from the output mirror 6 of a laser oscillator enters a beam splitter 9, by which part thereof is reflected and enters a beam divergence detector 10. The greater part of the beam transmits through said detector and enters a transmission optical system 11. The system 11 is for example a zoom lens of which the magnification is continuously variable, and when the change quantity signal for the magnification of the zoom lens necessary for setting the transmission beam divergence angle from the detector 10 at a prescribed value is sent to a servomechanism 12, the servomechanism 12 drives the variable magnification mechanism of the zoom lens according to the signal from the detector 10, thereby changing the magnification of the zoom lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5456280A JPS56150720A (en) | 1980-04-24 | 1980-04-24 | Laser beam transmitting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5456280A JPS56150720A (en) | 1980-04-24 | 1980-04-24 | Laser beam transmitting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS56150720A true JPS56150720A (en) | 1981-11-21 |
Family
ID=12974119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5456280A Pending JPS56150720A (en) | 1980-04-24 | 1980-04-24 | Laser beam transmitting device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS56150720A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020018514A (en) * | 2000-09-02 | 2002-03-08 | 김성헌 | Apparatus for controling a zoom up/down function of camera system using laser distance measurement and method therefor |
-
1980
- 1980-04-24 JP JP5456280A patent/JPS56150720A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020018514A (en) * | 2000-09-02 | 2002-03-08 | 김성헌 | Apparatus for controling a zoom up/down function of camera system using laser distance measurement and method therefor |
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