Patent
1985-03-26
1987-07-07
Lee, John
350 9630, G02B 616
Patent
active
046782753
ABSTRACT:
An optical fiber which is able to transmit high power infrared energy, and is flexible and long in life is described. The fiber consists essentially of a mixed crystal of 40 to 45 wt % of thallium bromide and the balance of thallium iodide, each having a purity not less than 99.9%. The fiber is free of any particles having a size not smaller than 1 .mu.m.
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Krus et al., "Crystal Materials for Infrared Fibers", Infrared Fibers (0.8-12 .mu.m), SPIE, vol. 266, Feb. 1981, pp. 72-77.
Optics Letters, vol. 6, No. 12, Dec. 1981, pp. 629-631, Optical Society of America, New York, US; S. Sakuragi et al.
"KRS-5 Optical Fibers Capable of Transmitting High-Power CO.sub.2 Laser Beam", p. 629, column 1, lines 11-17, 35-39.
Soviet Journal of Quantum Electronics, vol. 8, No. 2, Feb. 1981, pp. 239-240, American Institute of Physics, New York, US.
V. G. Artyushenko et al.: "Thallium Halide Fiber Waveguides for Middle Infrared Range", p. 239, column 2, lines 3-5.
Hayashi Yoshiaki
Ikedo Masaru
Tsutsui Hiroshi
Watari Masafumi
Yamamoto Osamu
Lee John
Matsushita Electric - Industrial Co., Ltd.
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