GB1384807A - - Google Patents
Info
- Publication number
- GB1384807A GB1384807A GB5360072A GB5360072A GB1384807A GB 1384807 A GB1384807 A GB 1384807A GB 5360072 A GB5360072 A GB 5360072A GB 5360072 A GB5360072 A GB 5360072A GB 1384807 A GB1384807 A GB 1384807A
- Authority
- GB
- United Kingdom
- Prior art keywords
- oxygen
- lasing
- explosion
- products
- hexanitrosobenzene
- 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
- H01S3/09—Processes or apparatus for excitation, e.g. pumping
- H01S3/095—Processes or apparatus for excitation, e.g. pumping using chemical or thermal pumping
- H01S3/0951—Processes or apparatus for excitation, e.g. pumping using chemical or thermal pumping by increasing the pressure in the laser gas medium
- H01S3/0953—Gas dynamic lasers, i.e. with expansion of the laser gas medium to supersonic flow speeds
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Lasers (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
1384807 Lasers UNITED STATES ATOMIC ENERGY COMMISSION 20 Nov 1972 [21 Dec 1971] 53600/72 Heading H1C A chemical laser has a condensed active medium, i.e. a solid or liquid, which is exploded to give CO2 or CO and other products such as N2 or H2O which are beneficial to lasing or which are at least not detrimental to lasing. The explosion products may be expanded freely or through a supersonic nozzle; where the products include free carbon this can be removed by initiating the explosion in an oxygen atmosphere. Other beneficial atmospheres may be used, e.g. helium. Fig. 3 shows an explosion chamber 25 in which the chemicals are detonated. Expansion nozzle 27 terminates in diaphragm 30 which allows the chamber to be pressurized with oxygen &c. if required. Optical windows 24 give access to the lasing region when the apparatus is used as an amplifier, mirrors being used when oscillation is to be achieved. The tube 35 may be open to air, or may be evacuated. The following chemical mixtures are referred to: pentanitroaniline; tetranitromethane (CN4- O8) + acrylonitrile (C3H3N); tetranitromethane + hexanitrosobenzene (C6N6O6); hexanitrosobenzene + perchloric acid or oxygen; pentaerythritol tetranitrate (C(CH2ONO2)). Oxygen and helium pressures are given, as are mixtures of explosives, gain and apparatus dimensions.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US21062471A | 1971-12-21 | 1971-12-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1384807A true GB1384807A (en) | 1975-02-19 |
Family
ID=22783620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB5360072A Expired GB1384807A (en) | 1971-12-21 | 1972-11-20 |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS4874193A (en) |
| CA (1) | CA978276A (en) |
| DE (1) | DE2261746A1 (en) |
| FR (1) | FR2169841A1 (en) |
| GB (1) | GB1384807A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2188770B (en) * | 1986-04-02 | 1989-12-28 | State Of Israel Israel Atomic | Chemical lasers |
| CN102545031A (en) * | 2012-01-16 | 2012-07-04 | 中国人民解放军国防科学技术大学 | High-power continuous wave deuterium fluoride/hydrogen fluoride chemical laser |
| DE102021005985B3 (en) | 2021-11-08 | 2023-06-01 | Vladlen Bedrin | Gas dynamic laser |
-
1972
- 1972-11-20 GB GB5360072A patent/GB1384807A/en not_active Expired
- 1972-11-21 CA CA157,119A patent/CA978276A/en not_active Expired
- 1972-12-16 DE DE19722261746 patent/DE2261746A1/en active Pending
- 1972-12-20 FR FR7245523A patent/FR2169841A1/fr not_active Withdrawn
- 1972-12-20 JP JP12807272A patent/JPS4874193A/ja active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2188770B (en) * | 1986-04-02 | 1989-12-28 | State Of Israel Israel Atomic | Chemical lasers |
| CN102545031A (en) * | 2012-01-16 | 2012-07-04 | 中国人民解放军国防科学技术大学 | High-power continuous wave deuterium fluoride/hydrogen fluoride chemical laser |
| CN102545031B (en) * | 2012-01-16 | 2013-10-09 | 中国人民解放军国防科学技术大学 | High Power CW Deuterium Fluoride/Hydrogen Fluoride Chemical Laser |
| DE102021005985B3 (en) | 2021-11-08 | 2023-06-01 | Vladlen Bedrin | Gas dynamic laser |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2261746A1 (en) | 1973-06-28 |
| FR2169841A1 (en) | 1973-09-14 |
| JPS4874193A (en) | 1973-10-05 |
| CA978276A (en) | 1975-11-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |