JPS5051340A - - Google Patents
Info
- Publication number
- JPS5051340A JPS5051340A JP49094897A JP9489774A JPS5051340A JP S5051340 A JPS5051340 A JP S5051340A JP 49094897 A JP49094897 A JP 49094897A JP 9489774 A JP9489774 A JP 9489774A JP S5051340 A JPS5051340 A JP S5051340A
- Authority
- JP
- Japan
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/08—Construction or shape of optical resonators or components thereof
- H01S3/086—One or more reflectors having variable properties or positions for initial adjustment of the resonator
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B17/00—Systems with reflecting surfaces, with or without refracting elements
- G02B17/02—Catoptric systems, e.g. image erecting and reversing system
- G02B17/06—Catoptric systems, e.g. image erecting and reversing system using mirrors only, i.e. having only one curved mirror
- G02B17/0605—Catoptric systems, e.g. image erecting and reversing system using mirrors only, i.e. having only one curved mirror using two curved mirrors
- G02B17/061—Catoptric systems, e.g. image erecting and reversing system using mirrors only, i.e. having only one curved mirror using two curved mirrors on-axis systems with at least one of the mirrors having a central aperture
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- General Physics & Mathematics (AREA)
- Lasers (AREA)
- Laser Beam Processing (AREA)
- Lenses (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US389691A US3907408A (en) | 1973-08-20 | 1973-08-20 | Cassegrainian mirror arrangement for lasers |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5051340A true JPS5051340A (ja) | 1975-05-08 |
Family
ID=23539318
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP49094897A Pending JPS5051340A (ja) | 1973-08-20 | 1974-08-19 |
Country Status (3)
Country | Link |
---|---|
US (1) | US3907408A (ja) |
JP (1) | JPS5051340A (ja) |
GB (1) | GB1477211A (ja) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3999832A (en) * | 1975-07-11 | 1976-12-28 | The United States Of America As Represented By The Secretary Of The Army | Optical beam expander and director configuration coeloscope |
US4030816A (en) * | 1976-04-22 | 1977-06-21 | Caterpillar Tractor Co. | Variable focus right angle mirror for laser beam manipulation |
US4121085A (en) * | 1976-05-07 | 1978-10-17 | Caterpillar Tractor Co. | Gas nozzle for laser welding |
US4089595A (en) * | 1976-08-23 | 1978-05-16 | Caterpillar Tractor Co. | Mounting arrangement for right angle cassegranian telescope reflector system |
US4183612A (en) * | 1978-02-24 | 1980-01-15 | Taucher Kenneth F | Optical system for creating high-intensity solar light beam |
US4277129A (en) * | 1978-02-24 | 1981-07-07 | Taucher Kenneth F | Multiple stage optical system for creating high-intensity solar light beam |
US4439012A (en) * | 1982-01-11 | 1984-03-27 | The United States Of America As Represented By The Secretary Of The Army | Dual-secondary mirror cassegrain optical system |
FR2577076B1 (fr) * | 1985-02-05 | 1987-04-30 | Commissariat Energie Atomique | Structure de laser a gaz |
US5241557A (en) * | 1992-03-09 | 1993-08-31 | The United States Of America As Represented By The United States Department Of Energy | Laser focus compensating sensing and imaging device |
ATE494981T1 (de) * | 2005-11-25 | 2011-01-15 | Trumpf Werkzeugmaschinen Gmbh | Laserbearbeitungsdüse |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2703506A (en) * | 1951-03-30 | 1955-03-08 | Technicolor Motion Picture | Light beam linking optical focusing system of the schmidt type |
US3049054A (en) * | 1957-11-26 | 1962-08-14 | Waland Robert Louis | Astronomical cameras and optical systems therefor |
US3142235A (en) * | 1960-11-21 | 1964-07-28 | American Optical Corp | Catadioptric optical systems for cameras and the like |
US3244885A (en) * | 1962-03-09 | 1966-04-05 | Barnes Eng Co | High resolution frequency modulated tracker |
US3411852A (en) * | 1963-11-06 | 1968-11-19 | Optical Coating Laboratory Inc | Optical monitoring apparatus which includes a reflector system for focusing light ona sample and for receiving light reflected from the sample |
US3535042A (en) * | 1968-01-05 | 1970-10-20 | Itek Corp | Optical gage |
US3681709A (en) * | 1970-01-27 | 1972-08-01 | United Aircraft Corp | Diffraction coupled laser oscillator focusing system |
NL7103141A (ja) * | 1970-03-11 | 1971-09-14 |
-
1973
- 1973-08-20 US US389691A patent/US3907408A/en not_active Expired - Lifetime
-
1974
- 1974-08-08 GB GB3503974A patent/GB1477211A/en not_active Expired
- 1974-08-19 JP JP49094897A patent/JPS5051340A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
US3907408A (en) | 1975-09-23 |
GB1477211A (en) | 1977-06-22 |