Title :
Anomalous loss behaviour in circular quartz glass hollow waveguide with random inner surface around resonance wavelength at infra-red
Author :
Takatani, K. ; Matsuura, Yasuyuki ; Miyagi, Masaya
Author_Institution :
Tohoku Univ., Sendai, Japan
Abstract :
For the first time it is shown experimentally that in a circular hollow quartz glass waveguide with a random inner surface the transmission loss becomes smaller than that of a waveguide with a smooth surface just beyond the resonance wavelength at infra-red.
Keywords :
integrated optics; optical glass; optical losses; optical waveguides; quartz; silicon compounds; SiO 2 waveguide; anomalous loss behaviour; circular hollow waveguide; high power laser light transmission; hollow pipes; infra-red; infrared; low loss waveguides; quartz; random inner surface; resonance wavelength; transmission loss;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19921156