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题名: A 2-kW COIL with a square pipe-array JSOG and nitrogen buffer gas
作者: Fang, BJ;  Chen, F;  Zhang, YL;  Sang, FT;  Jin, YQ;  Wang, ZQ;  Li, QW
关键词: chemical efficiency ;  chemical oxygen-iodine laser (COIL) ;  nitrogen ;  nozzle bank ;  output power ;  singlet oxygen generator
刊名: IEEE JOURNAL OF QUANTUM ELECTRONICS
发表日期: 2003-12-01
DOI: 10.1109/JQE.2003.819553
卷: 39, 期:12, 页:1619-1624
收录类别: SCI
文章类型: Article
部门归属: 701
项目归属: 701
产权排名: 1;1
WOS标题词: Science & Technology ;  Technology ;  Physical Sciences
类目[WOS]: Engineering, Electrical & Electronic ;  Optics ;  Physics, Applied
研究领域[WOS]: Engineering ;  Optics ;  Physics
英文摘要: A 2-kW-class chemical oxygen-iodine laser (COIL) using nitrogen buffer gas has been developed and tested since industrial applications of COIL devices will require the use of nitrogen as the buffer gas. The laser, with a gain length of 11.7 cm, is energized by a square pipe-array jet-type singlet oxygen generator (SPJSOG) and employs a nozzle bank with a designed Mach number of 2.5. The SPJSOG has advantages over the traditional plate-type JSOG in that it has less requirements on basic hydrogen peroxide (BHP) pump, and more important, it has much better operational stability. The SPJSOG without a cold trap and a gas-liquid separator could provide reliable operations for a total gas flow rate up to 450 mmol/s and with a low liquid driving pressure of around 0.7 atm or even lower. The nozzle bank was specially designed for a COIL using nitrogen as the buffer gas. The cavity was designed for a Mach number of 2.5, in order to provide a gas speed and static temperature in the cavity similar to that for a traditional COIL with helium buffer gas and a Mach 2 nozzle. An output power of 2.6 kW was obtained for a chlorine flow rate of 140 mmol/s, corresponding to a chemical efficiency of 20.4%. When the chlorine flow rate was reduced to 115 mmol/s, a higher chemical efficiency of 22.7% was attained. Measurements showed that the SPJSOG during normal operation could provide a singlet oxygen yield Y greater than or equal to 55%, a chlorine utilization U greater than or equal to 85%, and a relative water vapor concentration w = [H2O]/([O-2] + [Cl-2]) less than or equal to 0.1.
关键词[WOS]: OXYGEN-IODINE LASER ;  GAIN SATURATION ;  POWER
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000187436100016
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/82983
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China

Recommended Citation:
Fang, BJ,Chen, F,Zhang, YL,et al. A 2-kW COIL with a square pipe-array JSOG and nitrogen buffer gas[J]. IEEE JOURNAL OF QUANTUM ELECTRONICS,2003,39(12):1619-1624.
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