BE795741A - DEVICE FOR THE CONTINUOUS DECLINE OF THE INTENSITY OF A LASER BAY - Google Patents
DEVICE FOR THE CONTINUOUS DECLINE OF THE INTENSITY OF A LASER BAYInfo
- Publication number
- BE795741A BE795741A BE795741DA BE795741A BE 795741 A BE795741 A BE 795741A BE 795741D A BE795741D A BE 795741DA BE 795741 A BE795741 A BE 795741A
- Authority
- BE
- Belgium
- Prior art keywords
- intensity
- continuous decline
- bay
- laser
- laser bay
- Prior art date
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
- G02B27/28—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising
- G02B27/283—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising used for beam splitting or combining
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
- F21V9/14—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters for producing polarised light
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
- F21V9/40—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters with provision for controlling spectral properties, e.g. colour, or intensity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
- F21W2131/40—Lighting for industrial, commercial, recreational or military use
- F21W2131/406—Lighting for industrial, commercial, recreational or military use for theatres, stages or film studios
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Elements Other Than Lenses (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2208091A DE2208091A1 (en) | 1972-02-21 | 1972-02-21 | DEVICE FOR CONTINUOUS ATTENUATION OF THE INTENSITY OF A LASER BEAM |
Publications (1)
Publication Number | Publication Date |
---|---|
BE795741A true BE795741A (en) | 1973-06-18 |
Family
ID=5836610
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE795741D BE795741A (en) | 1972-02-21 | DEVICE FOR THE CONTINUOUS DECLINE OF THE INTENSITY OF A LASER BAY |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE795741A (en) |
DE (1) | DE2208091A1 (en) |
GB (1) | GB1405531A (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3168770B2 (en) * | 1993-06-03 | 2001-05-21 | 松下電器産業株式会社 | Polarizing device and projection display device using the polarizing device |
US5986805A (en) * | 1998-02-12 | 1999-11-16 | Trw Inc. | Polarizer/modulator assembly for lasers |
US6560389B2 (en) * | 2000-05-22 | 2003-05-06 | Alps Electric Co., Ltd. | Beam-splitting/coupling apparatus having frame holding optical filter |
JP2002208748A (en) | 2001-01-11 | 2002-07-26 | Nec Corp | Method and mechanism for correcting intensity of laser beam and multi-branch laser oscillator device having the same mechanism |
CN111142254B (en) * | 2020-02-13 | 2022-07-19 | 之江实验室 | Laser beam pointing stabilizing device for separately regulating and controlling angle drift and position drift |
-
0
- BE BE795741D patent/BE795741A/en unknown
-
1972
- 1972-02-21 DE DE2208091A patent/DE2208091A1/en active Pending
-
1973
- 1973-02-20 GB GB820673A patent/GB1405531A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2208091A1 (en) | 1973-10-11 |
GB1405531A (en) | 1975-09-10 |
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