Diode-Laser-Pumped Glass-Clad Ti:Sapphire Crystal-Fiber-Based Broadband Light Source

Glass-clad crystal fibers were grown using the codrawing laser-heated pedestal growth method. Both single-clad and double-clad structures were attempted. Using a 446-nm laser diode as the pump, 2.45 mW of collimated broadband emission was generated with a 3-dB bandwidth of 180 nm. As much as 7.7 mW...

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Veröffentlicht in:	IEEE photonics technology letters 2012-05, Vol.24 (10), p.854-856
Hauptverfasser:	Hsu, Kuang-Yu, Jheng, Dong-Yo, Liao, Yi-Han, Ho, Tuan-Shu, Lai, Chien-Chih, Huang, Sheng-Lung
Format:	Artikel
Sprache:	eng
Schlagworte:	Annealing Broadband communication Broadband light sources Crystals Fiber lasers Laser excitation luminescent devices optical coherence tomography optical fiber devices Optical fibers Pump lasers
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Beschreibung
Zusammenfassung:	Glass-clad crystal fibers were grown using the codrawing laser-heated pedestal growth method. Both single-clad and double-clad structures were attempted. Using a 446-nm laser diode as the pump, 2.45 mW of collimated broadband emission was generated with a 3-dB bandwidth of 180 nm. As much as 7.7 mW of output power with a 3-dB bandwidth of 182 nm was generated using a 532-nm solid-state pump laser. The broadband light source is advantageous to use in optical coherence tomography with an axial resolution of 1.5 in air and a low image pixel crosstalk.
ISSN:	1041-1135 1941-0174
DOI:	10.1109/LPT.2012.2189202