Abstract
During optical pumping the laser material is heated [4.1] and must be cooled. The temperature gradient in the laser material initially induces a degradation of the beam quality and fmally a fracture of the crystal. The heating therefore determines the beam quality and the maximal laser output power. The exact knowledge of the various heating mechanisms is therefore important and will be discussed in some detail.
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References
Krupke W.F.: Specific Heat Loading in Nd-Glas Lasers, LLNL-Report UCID-20531 DE36 002151 (1985)
Driedger K.P., et al.: Average Refractive Powers of an Alexandrit Laser Rod, Opt. Commun. 57 (1986) 403–406
Mangir M.S., Rockwell D.A.: Measurements of Heating and Energy Storage in Flashlamp-Pumped Nd:YAG and Nd-Doped Phosphate Laser Glasses, IEEE J. Quantum Electron. 22 (1986) 574–580
Blink J.A., et al.: Thermal Power Distribution in a Zig-Zag Slab Laser, LLNL. High-average-Power lasers 7. Laser program annual report (1986) 7–88 to 7–95
Mann K., Weber H.: Surface Heat Transfer Coefficient, Heat Efficiency, and Temperature of Pulsed Solid-State Lasers, J. Appl. Phys. 64 (1988) 1015–1021
Sumida D., Rockwell D.: Dependence of Cr Nd:GSGG Pumping Efficiency on Cr Concentration, HUGHES Research Lab., Malibu, CA (1986)
Sun Y-C., Weber H.: Bestimmung der Spannungsdoppelbrechung optisch gepumpter Laserstäbe und ihr Einfluß auf die Brechkraft, Intemmer Bericht Univ. Kaiserslautem (1981)
Koechner W.: Solid-State Laser Engineering (Springer, Berlin, Heidelberg 1976)
Tautz H.: Warmeleitung und Temperaturausgleich (Chemie-Verlag, Weinheim 1971)
Hagen W.F.: Thermal Fracture of Laser Glasses and Crystals, LLL Internal Report LRD 87–170 / 6061T (1987)
Hodgson N., Weber H.: Measurement of Extraction Efficiency and Excitation Efficiency of Lasers, J. Mod. Opt. 35 (1988) 807–813
Brown D.C., Lee K.L.: Methods for Scaling High Average Power Laser Performance, Proc. SPIE 622 (1986) 30–41
Marion J.E.: Strengthening of Solid-State Laser Materials, Conf. Dig. CLEO (1985) THR
Marion J.E.: Strengthening of Solid-State Laser Materials, Appl. Phys. Lett. 47 (1985) 694–696
Walling J.C.: Tunable Alexandrite Lasers: Development and Performance, IEEE J. Quantum Electron. 21 (1985) 1568
Foster J.D., Osterink L.M.: Thermal Effects in a ND:YAG Laser, J. Appl. Phys. 41 (1970) 3656–3663
Struve B., Fuhrberg P., Luhs W., Litfin G.: Thermal Lensing and Laser Operation of Flashlamp-Pumped Cr:GSAG, Opt, Commun. 65 (1988) 291–296
C Horowitz, et al.: Thermal Lensing Analysis of Alexandrite Laser Rods by Moire Deflectometry, App!. Opt. 23 (1984) 2229–2233
Jankiewicz Z. et al.: Analysis of the Thermal Focusing Effect in a CW Nd:YAG Laser, Optica Applicata XV (1985) 125–134
Murray J.E.: Pulsed Gain and Thermal Lensing of Nd:LiF4, IEEE J. Quantum Electron. 19 (1983) 488–490
Kim H.K., et al.: Thermal Problems of the Cr:Nd:GSGG Laser under SolarSimulator Pumping, Conf Dig. CLEO (1988) TUM35
Reed E.: A Flashlamp-Pumped, Q-switched Cr:Nd:GSGG Laser, IEEE J. Quantum Electron. 21 (1985) 1625–1629
Kelly J.H., et al.: High Repetition Rate Cr:Nd:GSGG Active Mirror Amplifier, Opt. Lett. 12 (1987) 996–998
Martin W.S.: Multiple Internal Reflection Face-Pumped Laser, US Patent 3,633,126 (1972)
Hughes J.L.: High Power Continuous Wave Multi-Slab Laser Oscillator, Int. Patent WO 87/05160 (1987)
Hoffmann H.J.: Verbundmaterialien füür die Lasertechnik und Optik, Offenlegungsschrift DE 36 17 362 Al (1987)
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Iffländer, R. (2001). Thermal Effects. In: Solid-State Lasers for Materials Processing. Springer Series in Optical Sciences, vol 77. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-46585-0_4
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DOI: https://doi.org/10.1007/978-3-540-46585-0_4
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