Title :
Fabrication of broad bandwidth rejection filter using hollow optical fiber with femtosecond laser pulses
Author :
Ha, W. ; Jung, Y. ; Kim, J. ; Shin, W. ; Sohn, I. ; Ko, D. ; Lee, J. ; Oh, K.
Author_Institution :
Inst. of Phys. & Appl. Phys., Yonsei Univ., Seoul
Abstract :
We have fabricated a broadband long period grating (LPG) on hollow optical fiber (HOF) by using femtosecond laser pulses of 785.5 nm. The filter showed a low insertion loss of 1.7 dB, coupling strength more than 8 dB, and very broad full width at half maximum (FWHM) of 160 nm.
Keywords :
diffraction gratings; high-speed optical techniques; optical fibre fabrication; optical fibre filters; optical fibre losses; broad bandwidth rejection filter; broadband long period grating; femtosecond laser pulses; hollow optical fiber; insertion loss; wavelength 785.5 nm; Bandwidth; Fiber gratings; Fiber lasers; Insertion loss; Optical device fabrication; Optical fiber filters; Optical fibers; Optical losses; Optical pulses; Ultrafast optics;
Conference_Titel :
Lasers and Electro-Optics - Pacific Rim, 2007. CLEO/Pacific Rim 2007. Conference on
Conference_Location :
Seoul
Print_ISBN :
978-1-4244-1173-3
Electronic_ISBN :
978-1-4244-1174-0
DOI :
10.1109/CLEOPR.2007.4391152
