Abstract

We present an effective method to extend the mode-hop-free (MHF) tuning range of an external-cavity diode laser (ECDL) by synchronous tuning of the longitudinal modes of the external cavity and the internal cavity, with the mode also matched in the initial state. Both the principle of synchronous tuning and the condition of mode matching in a Littman-configuration ECDL are introduced. The necessary tuning parameters could simply be estimated by the output power curve of the tuning with a single photodiode. By using this tuning method, we increased the MHF tuning range of an ECDL with a nonoptimized reflector pivot position from several gigahertzes to over 78 GHz around 774.5 nm. The tuning performance of the ECDL could meet the requirement of frequency scanned interferometry.

© 2014 Optical Society of America

Full Article  |  PDF Article
OSA Recommended Articles
Mode-hopping suppression of external cavity diode laser by mode matching

Hai Gong, Zhigang Liu, Yangli Zhou, Weibo Zhang, and Tao Lv
Appl. Opt. 53(4) 694-701 (2014)

Wide-bandwidth mode-hop-free tuning of extended-cavity GaN diode lasers

Johan Hult, Iain S. Burns, and Clemens F. Kaminski
Appl. Opt. 44(18) 3675-3685 (2005)

Extending the continuous tuning range of an external-cavity diode laser

Kevin S. Repasky, Amin R. Nehrir, Justin T. Hawthorne, Gregg W. Switzer, and John L. Carlsten
Appl. Opt. 45(35) 9013-9020 (2006)

References

You do not have subscription access to this journal. Citation lists with outbound citation links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Cited By

You do not have subscription access to this journal. Cited by links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Figures (9)

You do not have subscription access to this journal. Figure files are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Equations (17)

You do not have subscription access to this journal. Equations are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Metrics

You do not have subscription access to this journal. Article level metrics are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription