Gain characteristics of large volume CuBr laser active media

Gubarev, Fedor A.; Troitskiy, V. O.; Trigub, M. V.; Sukhanov, V. B.

doi:10.1016/j.optcom.2011.01.047

Cited by 32 publications

(5 citation statements)

References 6 publications

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“…The indifference in the results with the different resonators used may be attributed to their high gain characteristics, where all hyperfine transitions were far above threshold and the unstable resonators used were unable to suppress any of the hyperfine transitions. It may be noted that the average gain characteristics of Cu-HBr∕CuBr H 2 are superior to those of a conventional elemental CVL in terms a higher gain coefficient and better spatio-temporal characteristics [40,41]. In this context it may be possible that these resonators may bring some observable differences in linewidths in the case of an elemental CVL with a very short cavity length and an even higher magnification of unstable resonators, as observed in one study reported in [30].…”

Section: B Analysis and Discussionmentioning

confidence: 93%

Studies on the spectral purity of copper–hydrogen bromide laser radiations

et al. 2013

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This paper presents, for the first time to the best of our knowledge, the linewidth, frequency, and stability characteristics of a copper-HBr laser. These spectral purity attributes were found to be critically linked with the electrical input power and HBr concentration, unlike that of the optical resonator. Variation in green and yellow radiation linewidths from 4 to 4.5 GHz and from 6.5 to 8.8 GHz, linewidth fluctuations from 50 to 150 MHz and from 60 to 530 MHz as well as frequency fluctuations from 10 to 100 MHz and from 410 to 10 MHz were observed when varying the input power and HBr concentration. These results are comprehensively analyzed in terms of isotopic shift, hyperfine splitting, line broadening, and temperature and gain distribution effects relevant to this laser.

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Section: B Analysis and Discussionmentioning

confidence: 93%

Studies on the spectral purity of copper–hydrogen bromide laser radiations

et al. 2013

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“…The construction and the operating principle of the active element were discussed in previous papers. [17][18][19][20][21] The active media were pumped using a direct discharge thyratron circuit with a pulse charge of the storage capacitor [19][20][21] with the power of 1.5 kW at PRF ranging from 20 to 25 kHz. The following photo and video cameras were used for the image capture: an ordinary Casio EX-FH20 camera with the frame rate up to 1000 fps, high-speed MotionPro X3 cameras with the maximum frame rate of 40 000 fps and FastCam HiSpec1 with the frame rate up to 100 000 fps.…”

Section: Laser Monitor With Single-pulse Imagingmentioning

confidence: 99%

Laser monitor for non-destructive testing of materials and processes shielded by intensive background lighting

Евтушенко

Trigub

Gubarev

et al. 2014

Review of Scientific Instruments

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A single-pulse imaging laser projection system (laser monitor) is proposed for real-time monitoring high-speed processes shielded by the intensive background lighting. The brightness temperature of the lighting can reach thousands or even tens of thousands of degrees, which makes it difficult to observe the processes with the naked eye. The estimates of limiting temperatures show that the use of the proposed instrument allows to view the objects when the equivalent brightness temperature of the background lighting is up to 45,000 K. The results of visualization of some bright objects and processes using high-speed copper bromide vapor laser monitor are presented.

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“…Due to halide lasers having some advantages over pure copper vapor lasers (CVL), like lower operation temperature, shorter start-up time and higher beam quality, halide lasers would be a good alternative to CVLs, and better suited to many applications [1][2][3][4][5][6]. Moreover, since halide lasers can produce wavelengths of 510.6 nm (green) and 578.2 nm (yellow) in the visible region-similar to CVLs-these lasers have the same attractive applications as CVLs in different areas of science and technology.…”

Section: Introductionmentioning

confidence: 99%

Acoustic effects in halide lasers

Aeinehvand¹,

Behrouzinia²

2018

Laser Phys.

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Oscillations in the output power of halide lasers were recorded by varying the excitation frequency from 11.7 to 30 kHz. An effect arises in the laser tube, which performs both as an optical and an acoustic resonator at the acoustic resonant frequencies, just like other metal vapor lasers. It is shown that a similar effect occurs when amplifying the parameters of lasers. In other words, the oscillatory behavior of laser output power comes from the competition between the microscopic laser parameters and the excitation frequency as an operational and macroscopic parameter.

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Gain characteristics of large volume CuBr laser active media

Cited by 32 publications

References 6 publications

Studies on the spectral purity of copper–hydrogen bromide laser radiations

Studies on the spectral purity of copper–hydrogen bromide laser radiations

Laser monitor for non-destructive testing of materials and processes shielded by intensive background lighting

Acoustic effects in halide lasers

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