Double-short-pulse CO2 laser with double longitudinal discharge tubes

被引：2

作者：

Uno, Kazuyuki ^{[1
]}

Yoshimura, Kunihiko ^{[1
]}

Watarai, Shohei ^{[2
]}

Kodama, Yasushi ^{[1
,2
]}

Yoneya, Kazuyuki ^{[2
]}

机构：

[1] Univ Yamanashi, Integrated Grad Sch Med Engn & Agr Sci, 4-3-11 Takeda, Kofu, Yamanashi 4008511, Japan

[2] Seidensha Elect CO LTD Japan, 2-2-17 Nishi Nippori, Arakawa, Tokyo 1160013, Japan

来源：

INFRARED PHYSICS & TECHNOLOGY | 2023年 / 130卷

基金：

日本科学技术振兴机构;

关键词：

CO2; laser; Double short pulses; Double discharge tubes; Longitudinal discharge; TEA CO2-LASER;

D O I：

10.1016/j.infrared.2023.104620

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

A double-longitudinal-discharge-tube system was employed in a CO2 laser producing double short pulses. The CO2 laser consisted of two longitudinal discharge tubes and one optical cavity. A pulsed power supply was connected to each discharge tube, and the switching timing of the pulsed power supplies was controlled by a pulse generator. Therefore, each discharge tube could be discharged at arbitrary timing, and two laser pulses with arbitrary pulse intervals could be generated. In a discharge interval of 2 mu s to 50 ms for the two discharge tubes, double laser pulses were produced. The pulse width of the first laser pulse was 256 ns. The pulse width of the second laser pulse was 160-976 ns. The pulse width, peak intensity and energy of the second laser pulse depended on the discharge interval, in a discharge interval of 5 ms or less. The second laser pulse was affected by the first discharge space that produced the first laser pulse.

引用

页数：6

共 14 条

[1] Operation of a helium-free TEA CO2 laser [J].

Biswas, DJ ;

Nilaya, JP ;

Kumar, A .

OPTICS COMMUNICATIONS, 2005, 248 (4-6) :521-526

[2] EFFECTS OF CO2 HE AND N2 ON LIFETIMES OF 00 DEGREE 1 AND 10 DEGREE 0 CO2 LASER LEVELS AND ON PULSED GAIN AT 10.6 MU [J].

CHEO, PK .

JOURNAL OF APPLIED PHYSICS, 1967, 38 (09) :3563-+

[3] Pulse shaping of transversely excited atmospheric CO2 laser using a simple plasma shutter [J].

Hurst, Noah ;

Harilal, S. S. .

REVIEW OF SCIENTIFIC INSTRUMENTS, 2009, 80 (03)

[4] Short pulse formation in a TEA CO2 laser using a CO2-N2-H2 gas mixture [J].

Ivashchenko, MV ;

Karapuzikov, AI ;

Sherstov, IV .

QUANTUM ELECTRONICS, 2001, 31 (11) :965-969

[5] Tunable TEA CO2 laser for long-range DIAL lidar [J].

Karapuzikov, AI ;

Malov, AN ;

Sherstov, IV .

INFRARED PHYSICS & TECHNOLOGY, 2000, 41 (02) :77-85

[6] Active long pulse shaping technique of pulsed CO2 laser using multi-pulse discharge control [J].

Lee, YS ;

Chung, HJ ;

Joung, JH ;

Kim, EJ ;

Kim, HJ .

OPTICS AND LASER TECHNOLOGY, 2004, 36 (01) :57-61

[7] Analytical model for CO2 laser ablation of fused quartz [J].

Nowak, Krzysztof M. ;

Baker, Howard J. ;

Hall, Denis R. .

APPLIED OPTICS, 2015, 54 (29) :8653-8663

[8] Hole drilling of glass substrates with a CO2 laser [J].

Ogura, H ;

Yoshida, Y .

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS, 2003, 42 (5A) :2881-2886

[9] Longitudinally excited CO2 laser with a spike pulse width of 100 ns to 300 ns [J].

Sakamoto, Kohei ;

Uno, Kazuyuki ;

Jitsuno, Takahisa .

HIGH POWER LASERS FOR FUSION RESEARCH V, 2019, 10898

[10] 1 kHz Oscillation of short-pulse CO2 laser pumped by longitudinal discharge without pre-ionization [J].

Uno, Kazuyuki ;

Yanai, Kiyotami ;

Watarai, Shohei ;

Kodama, Yasushi ;

Yoneya, Kazuyuki ;

Jitsuno, Takahisa .

OPTICS AND LASER TECHNOLOGY, 2022, 152

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