1 February 2007 Transmission properties of infrared hollow fibers produced by drawing a glass-tube preform
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Abstract
To produce long and flexible hollow optical fibers for mid-infrared lasers at a low cost, hollow fibers are fabricated by using a glass drawing technique. When the wall thickness of the glass tube is properly designed and controlled, the fiber shows a low loss at a desired wavelength. By applying pressure into the tube preform, the glass capillary with a thin glass wall is drawn, and this effectively reduces the absorption loss in the glass material. The measured loss of 40-cm long fiber with an inner diameter of 320 μm is 1.7 dB for an erbium: yttrium aluminum garnet laser light with a wavelength of 2.94 μm.
© (2007) Society of Photo-Optical Instrumentation Engineers (SPIE)
Ryosuke Kasahara, Ryosuke Kasahara, Yuji Matsuura, Yuji Matsuura, Takashi Katagiri, Takashi Katagiri, Mitsunobu Miyagi, Mitsunobu Miyagi, } "Transmission properties of infrared hollow fibers produced by drawing a glass-tube preform," Optical Engineering 46(2), 025001 (1 February 2007). https://doi.org/10.1117/1.2710186 . Submission:
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