JPS55106414A - Aperture optical device of semiconductor laser beam - Google Patents
Aperture optical device of semiconductor laser beamInfo
- Publication number
- JPS55106414A JPS55106414A JP1473379A JP1473379A JPS55106414A JP S55106414 A JPS55106414 A JP S55106414A JP 1473379 A JP1473379 A JP 1473379A JP 1473379 A JP1473379 A JP 1473379A JP S55106414 A JPS55106414 A JP S55106414A
- Authority
- JP
- Japan
- Prior art keywords
- light
- luminous flux
- parallel
- cylindrical lenses
- lens
- 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
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1473379A JPS55106414A (en) | 1979-02-09 | 1979-02-09 | Aperture optical device of semiconductor laser beam |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1473379A JPS55106414A (en) | 1979-02-09 | 1979-02-09 | Aperture optical device of semiconductor laser beam |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS55106414A true JPS55106414A (en) | 1980-08-15 |
Family
ID=11869318
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1473379A Pending JPS55106414A (en) | 1979-02-09 | 1979-02-09 | Aperture optical device of semiconductor laser beam |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55106414A (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60221722A (ja) * | 1984-04-18 | 1985-11-06 | Sony Corp | 記録再生光学系 |
US4633457A (en) * | 1980-12-27 | 1986-12-30 | Olympus Optical Co., Ltd. | Optical information reading apparatus |
-
1979
- 1979-02-09 JP JP1473379A patent/JPS55106414A/ja active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4633457A (en) * | 1980-12-27 | 1986-12-30 | Olympus Optical Co., Ltd. | Optical information reading apparatus |
JPS60221722A (ja) * | 1984-04-18 | 1985-11-06 | Sony Corp | 記録再生光学系 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS54143661A (en) | Recording optical system | |
JPS57150812A (en) | Dark field illuminating optical system | |
JPS5545074A (en) | Hologram lens | |
JPS5459951A (en) | Transmission lighting device for microscopes | |
JPS56142509A (en) | Lighting device of microscope | |
JPS5246813A (en) | Photographic optical system for observation for ophthalmofunduscopic c amera | |
JPS57161825A (en) | Compound eye projecting device | |
JPS5773709A (en) | Focusing-point detector | |
JPS55106414A (en) | Aperture optical device of semiconductor laser beam | |
JPH0774086A (ja) | 投影露光装置 | |
JPS57111508A (en) | Lighting optical system of microscope for surgical operation | |
JPS5683701A (en) | Photocoupler | |
JPS5667822A (en) | Focal diaphragm | |
JPS54143660A (en) | Optical system for semiconductor laser | |
JPS6380243A (ja) | 露光装置用照明光学装置 | |
JPH02285628A (ja) | 照明光学系 | |
JPS52126241A (en) | Slit illumination device | |
JPS547927A (en) | Photographic lens of excellent focusing operation | |
JPS52111736A (en) | Scanning optical system with information beam take-out element | |
JPS53116166A (en) | Photo coupler | |
JPS6437837A (en) | Semiconductor exposure device | |
JPS5785019A (en) | Lighting device | |
JPS54147034A (en) | Lighting device of copying machine also serving telephotograph | |
JPS6476720A (en) | Illumination optical system for semiconductor exposure device | |
JPS5735824A (en) | Light beam scanner |