GB1034919A - Improvements in or relating to gas lasers - Google Patents
Improvements in or relating to gas lasersInfo
- Publication number
- GB1034919A GB1034919A GB3800764A GB3800764A GB1034919A GB 1034919 A GB1034919 A GB 1034919A GB 3800764 A GB3800764 A GB 3800764A GB 3800764 A GB3800764 A GB 3800764A GB 1034919 A GB1034919 A GB 1034919A
- Authority
- GB
- United Kingdom
- Prior art keywords
- duct
- section
- laser
- square cross
- sept
- 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.)
- Expired
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
- H01S3/02—Constructional details
- H01S3/03—Constructional details of gas laser discharge tubes
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Lasers (AREA)
Abstract
1,034,919. Lasers. PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd. Sept. 17, 1964 [Sept. 20, 1963], No. 38007/64. Heading H3B. In order to produce only the required dominant mode in a gas laser, the laser radiation path between opposed reflecting members of the optical cavity of the laser has a substantially square cross-section. In the arrangement of Fig. 1, a quartz block 1 is provided with a duct 2 of circular cross-section containing a heliumneon gas mixture, the ends of the duct being closed by quartz blocks 11, 12 coated with dichroic layers 13, 14 as reflecting members for the desired laser wavelength. In order to obtain only the dominant transverse electromagnetic mode glass tubes 15, 16 of square cross-section are secured in the ends of the duct to define the laser light path between members 13, 14 which may be confocal curved mirrors. In the arrangement of Fig. 3 (not shown), a single square cross-section tube is used between the lateral ducts 3, 4 instead of tubes 15, 16. A series of masks may be provided in the duct 2, each being provided with a square hole. Alternatively, the masking action may be obtained by the insertion of a number of masking elements in the duct which act in combination to provide a square cross-section path.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL298209 | 1963-09-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1034919A true GB1034919A (en) | 1966-07-06 |
Family
ID=19755071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3800764A Expired GB1034919A (en) | 1963-09-20 | 1964-09-17 | Improvements in or relating to gas lasers |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE1191483B (en) |
| GB (1) | GB1034919A (en) |
| NL (1) | NL298209A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3942133A (en) * | 1974-10-23 | 1976-03-02 | Rca Corporation | Gas laser tube with stray light restriction |
| DE3151228C2 (en) * | 1981-12-23 | 1984-11-29 | Siemens AG, 1000 Berlin und 8000 München | Optical resonator for a laser |
| DE3322212A1 (en) * | 1983-06-21 | 1985-01-03 | Bodenseewerk Gerätetechnik GmbH, 7770 Überlingen | METHOD FOR CONNECTING PARTS BY OPTICAL PUNCHING |
-
0
- NL NL298209D patent/NL298209A/xx unknown
-
1964
- 1964-09-16 DE DEN25520A patent/DE1191483B/en active Pending
- 1964-09-17 GB GB3800764A patent/GB1034919A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL298209A (en) | |
| DE1191483B (en) | 1965-04-22 |
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