Title

Sub-5-pm linewidth, 130-nm-tuning of a coupled-cavity Ti:sapphire oscillator via volume Bragg grating-based feedback

Authors

Authors

M. Hemmer; Y. Joly; L. Glebov; M. Bass;M. Richardson

Comments

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Abbreviated Journal Title

Appl. Phys. B-Lasers Opt.

Keywords

SINGLE-FREQUENCY; LASER; Optics; Physics, Applied

Abstract

A novel coupled-cavity Ti:sapphire oscillator architecture featuring a volume Bragg grating as a feedback element is presented. The oscillator provides continuous wave lasing within a spectral linewidth as narrow as 5 pm. The output can be wavelength-tuned over an ultrabroad spectral range of 130 nm, extending from 714 to 842 nm. This unique combination of narrow spectral linewidth and wide tuning range makes the laser suitable for applications such as sensing and Raman and absorption spectroscopy. The laser also displays ideal TEM00 mode operation throughout its tuning range with output powers beyond 300 mW. Detailed studies of the cw lasing dynamics across the wide tuning range are described. The general architecture of this design can be implemented for high resolution tuning across the broad spectral emission bands of other solid state lasers with single mode operation.

Journal Title

Applied Physics B-Lasers and Optics

Volume

106

Issue/Number

4

Publication Date

1-1-2012

Document Type

Article

Language

English

First Page

803

Last Page

807

WOS Identifier

WOS:000302946600004

ISSN

0946-2171

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