Cr 4+ -doped mixed alloy laser materials and lasers and...

Coherent light generators – Particular active media

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C372S041000

Reexamination Certificate

active

07359415

ABSTRACT:
A laser medium includes a single crystal of Cr4+:Mg2-xMxSi1-yAyO4, where, where M is a bivalent ion having an ionic radius larger than Mg2+, and A is a tetravalent ion having an ionic radius larger than Si4+. In addition, either a) 0≦x<2 and 0<y<1 or b) 0<x<2 and y is 0 or 1 with the proviso that if M is Ca2+and x=1 then y is not 0. The laser medium can be used in a laser device, such as a tunable near infrared (NIR) laser.

REFERENCES:
patent: 4932031 (1990-06-01), Alfano et al.
patent: 4987575 (1991-01-01), Alfano et al.
Angert et al., “Lasing Due to Impurity Color Centers in Yttrium Aluminum Garnet Crystals at Wavelengths in the Range 1.35-1.45μm,”Soviet J. Quantum Electronics, 18(1):73-74 (1988).
Brauch et al., “Multiwatt Diode-pumped Yb:YAG Thin Disk Laser Continuously Tunable Between 1018 and 1053 nm,”Opt. Lett., 20(7):713-715 (1995).
Chen et al., “Growth Mechanism of Cr:forsterite Laser Crystal with High Cr Concentration,”Optical Materials, 24:163-168 (2003).
Deka et al., “Laser Performance of Cr4+:Y2SiO5,”Applied Physics Letters, 61(18):2141-2143 (1992).
Feldman et al., “Dynamics of Chromium Ion Valence Transformations in Cr,Ca:YAG Crystals used as Laser Gain and Passive Q-switching Media,”Optical Materials, 24:333-344 (2003).
Hazenkamp et al., “Optical Spectroscopy of Cr4+-doped Ca2GeO4and Mg2SiO4,”Phys. Rev., 53(5):2367-2377 (1996).
Jia et al., “Spectroscopy of Cr3+and Cr4+Ions in Forsterite,”Phys. Rev., 43(7):5234-5242 (1991).
Koetke et al., “Quasi-continuous Wave Laser Operation of Cr4+-doped Y2SiO5at Room Temperature,”Optics Communication, 101(3,4):195-198 (1993).
Kuck et al., “Tunable Room-Temperature Lasr Action of Cr4+-doped Y3ScxAl5-xO12,”Appl. Phys. B., 58:153-156 (1994).
Lai, S. T., “Highly Efficient Emerald Laser,”J. Opt. Soc. Am. B., 4(8):1286-1290 (1987).
Mass et al., “Oxygen Activity Dependence of the Chromium (IV) Population in Chromium-doped Forsterite Crystals Grown by the Floating Zone Technique,”J. of Crystal Growth, 165(3):250-257 (1996).
Moulton, P. F., “Spectroscopic and Laser Characteristics of Ti:Al2O3,”J. Opt. Soc. Am. B., 3(1):125-133 (1986).
Payne et al., “Laser Performance of LiSrAiF6:Cr3+,”J. Appl.Phys., 66(3):1051-1056 (1989).
Payne et al., “LiCaAlF6:Cr3+: A Promising New Solid-State Laser Material,”J. Quant. Elect., 24(11):2243-2252 (1988).
Payne et al., “Optical Spectroscopy of the New Laser Materials, LiSrAlF6:Cr3+and LiCaAlF6:Cr3+,”J. Luminescence, 44:167-176 (1989).
Petricevic et al., “Laser Action in Chromium-activated Forsterite for Near-infrared Excitation: Is Cr4+the Lasing Ion?,”Appl. Phys. Lett., 53(26):2590-2592 (1988).
Petricevic et al., “Pulsed Laser Operation of Cr4+:LiScGeO4at 1.3 μm,” CLEO 97, CTuE7 9:30AM, pp. 77-78 (1997).
Petricevic et al., “Room-temperature Near-Infrared Tunable Laser Operation of Cr4+:Ca2GeO4,”Opt. Lett., 21(21):1750-1752 (1996).
Robbins et al., “The System Magnesium Oxide-germanium Dioxide,”Amer. J. Science, 257:63-70 (1959).
Schafer et al., “Organic Dye Solution Laser,”Appl. Phys. Lett., 9(8):306-309 (1966).
Shkadarevich, A. P., “Recent Advances in Tunable Solid State Lasers,”Opt. Soc. Amer., 5:60-65 (1989).
Voss et al., “Efficient High-power Diode-pumped Thin-disk Yb:YAG-Laser,”Proc SPIE, 2426:501-508 (1995).
Walling et al., “Tunable CW Alexandrite Laser,”IEEE J. Quant. Elect., QE-16(2):120-121 (1980).

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Cr 4+ -doped mixed alloy laser materials and lasers and... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Cr 4+ -doped mixed alloy laser materials and lasers and..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Cr 4+ -doped mixed alloy laser materials and lasers and... will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-2791783

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.