KRS-5 fibers are used principally in 8-12-μm optical systems and currently represent the best fiber choice for this wavelength region. The fiber loss is typically 1 dB/m, which is a factor of ~1000 greater than the intrinsic absorption1 of KRS-5. To better understand this large extrinsic loss, we studied the total attenuation αT and the attenuation due to scattering αs for our fibers.

© 1983 Optical Society of America

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