Vol. 28, issue 11, article # 11

Fedorov A. I., Shiyanov D. V. Peculiarities of the obtaining of high efficiency of a CuBr laser with double-pulsed excitation. // Optika Atmosfery i Okeana. 2015. V. 28. No. 11. P. 1035–1040. DOI: 10.15372/AOO20151111 [in Russian].
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Abstract:

A CuBr laser with a small active volume operating with a double-pulsed excitation and 50 Hz pulse repetition rate is studied. The possibilities of increasing efficiency of the laser by optimizing parameters of the excitation pulse and its agreement with the impedance of the plasma active medium formed by dissociating pulse is shown. It is shown that to improve the efficiency of the laser it is necessary to choose the optimal mode of energy input into the plasma. This is achieved by impedance matching of pump sources with the plasma, which was carried out by selection of the optimum voltage excitation pulse and the time delay with respect to the dissociating pulse. The maximum efficiency of 1.5% for the laser excitation pulse with time delay of 150 ms, and the specific energy of dissociating pulse of 26 mJ/cm3, and the exciting pulse of 0.2 mJ/cm3 is obtained.

Keywords:

CuBr laser, average output power, low frequency, double-pulsed excitation, dissociation and pumping pulse, energy density, laser efficiency

References:

  1. Little С.E. Metal Vapor Lasers: Physics, Engineering & Applicftsons. Chichester (UK): John Willey & Sons Ltd., 1998. 620 p.
  2. Petrash G.G. Impul'snye lazery na parah metallov i ih soedinenij: problemy i perspektivy // Izv. vuzov. Fiz. 1999. N 8. P. 18–22.
  3. Batenin V.M., Buchanov V.V., Kazarjan M.A., Molodyh Je.I., Klimovskij I.I. Lazery na samoogranichennyh perehodah atomov metallov. M.: Nauchnaja kniga, 1998. 544 p.
  4. Chen C.J., Nerheim N.M., Russell G.R. Double-discharge copper vapor laser with copper chloride as a lasant // Appl. Phys. Lett. 1973. V. 23, N 9. P. 514–515.
  5. Abrosimov G.V., Vasil'cov V.V., Voloshin V.N., Korneev A.V., Pis'mennyj V.D. Impul'snaja generacija na samoogranichennyh perehodah atoma medi v parah galogenidov medi // Pis'ma v ZhTF. 1976. V. 2, issue 9. P. 417–420.
  6. Gubarev F.A., Fedorov V.F., Fedorov K.V., Evtushenko G.S. Rezhim odinochnyh impul'sov generacii CuBr-lazera // Optika atmosf. i okeana. 2012. V. 25, N 12. P. 1107–1111.
  7. Fedorov A.I., Fedorov V.F., Shijanov D.V. Issledovanie harakteristik nizkochastotnogo CuBr-lazera // Dokl. V Vseros. konf. «Vzaimodejstvie vysokokoncentrirovannyh potokov jenergii s materialami v perspektivnyh tehnologijah i medicine». Novosibirsk, match, 2013. Novosibirsk: Parallel', 2013. V. 1. P. 263–265.
  8. Fedorov A.I., Shijanov D.V. Optimizacija parametrov izluchenija CuBr-lazera, rabotajushhego v rezhime sdvoennyh impul'sov vozbuzhdenija // Dokl. VI Vseros. konf. «Vzaimodejstvie vysokokoncentrirovannyh potokov jenergii s materialami v perspektivnyh tehnologijah i medicine». Novosibirsk, match, 2015. Novosibirsk: Parallel', 2015. V. 1. P. 257–261.
  9. Fedorov A.I., Shijanov D.V. Vozmozhnosti povyshenija jeffektivnosti CuBr-lazera v rezhime sdvoennyh impul'sov nakachki // Pis'ma v ZhTF. 2015. V. 41, issue 15. P. 98–104.
  10. Fedorov A.I., Fedorov V.F., Dimaki V.A. Vozmozhnosti operativnogo upravlenija parametrami izluchenija CuBr-lazera // Optika atmosf. i okeana. 2012. V. 25, N 2. P. 198–202.
  11. Fedorov A.I., Shijanov D.V. Optimizacija parametrov izluchenija CuBr lazera so sdvoennymi impul'sami nakachki: Tezisy dokl. // Simpozium «Lazery na parah metallov». Loo, september, 2014. Rostov n/D: Diapazon-Pljus, 2014. P. 85.
  12. Fedorov A.I. XeCl-lazer nizkogo davlenija s nakachkoj prodol'nym razrjadom // Kvant. jelektron. 2013. V. 43, N 10. P. 898–902.
  13. Andrienko A.S., Evtushenko G.S., Zhdaneev O.V., Suhanov V.B., Shijanov D.V. Vlijanie dobavok HBr v aktivnuju sredu lazerov na parah medi i galogenida medi // Optika atmosf. i okeana. 2004. V. 17, N 2–3. P. 112–118.