Low-Loss Single-Crystal Sapphire Optical Fibers

G. A. Magel; D . H. Jundt; M. M. Fejer; R. L. Byer

doi:10.1117/12.961099

12 May 1986 Low-Loss Single-Crystal Sapphire Optical Fibers

G. A. Magel, D . H. Jundt, M. M. Fejer, R. L. Byer

Proceedings Volume 0618, Infrared Optical Materials and Fibers IV; (1986) https://doi.org/10.1117/12.961099
Event: O-E/LASE'86 Symposium, 1986, Los Angeles, CA, United States

Abstract

Single-crystal sapphire (α-Aℓ₂0₃) fibers are potentially useful in a wide variety of optical applications, particularly those involving high-power or high temperature light-guiding, over the wavelength range from 0.24 μm in the ultraviolet to 4.0 μm in the mid-infrared. These fibers are routinely grown at rates of up to 8 mm/min, and with diameter stability of better than 0.5% rms under feedback control. Recent measurements on unclad 150 μm diameter fibers show fundamental mode scattering losses of about 0.3 dB/m in the visible and less than 0.07 dB/m at 3.39 μm.

Citation Download Citation

G. A. Magel, D . H. Jundt, M. M. Fejer, and R. L. Byer "Low-Loss Single-Crystal Sapphire Optical Fibers", Proc. SPIE 0618, Infrared Optical Materials and Fibers IV, (12 May 1986); https://doi.org/10.1117/12.961099

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