Abstract

Amplification of broadband frequency-modulated (FM) pulses in high-efficiency materials such as ytterbium-doped strontium fluorapatite results in significant gain narrowing, leading to reduced on-target bandwidths for beam smoothing and to conversion from frequency modulation to amplitude modulation (AM). To compensate for these effects, we have applied precision spectral sculpting, requiring both amplitude and phase shaping, to the amplification of broadband FM pulses in narrow-band gain media. We have demonstrated sculpting for centerline small-signal gains of 104, producing amplified pulses that have both sufficient bandwidths for on-target beam smoothing and temporal profiles that have no potentially damaging AM.

© 2002 Optical Society of America

Full Article  |  PDF Article
OSA Recommended Articles
Suppression of FM-to-AM conversion in a broadband Nd:glass regenerative amplifier with an intracavity birefringent filter

Jiangtao Guo, Jiangfeng Wang, Xue Pan, Xinghua Lu, Gang Xia, Xiaoqin Wang, Simin Zhang, Wei Fan, and Xuechun Li
Appl. Opt. 58(5) 1261-1270 (2019)

Optical parametric chirped pulse amplification and spectral shaping of a continuum generated in a photonic band gap fiber

E. Hugonnot, M. Somekh, D. Villate, F. Salin, and E. Freysz
Opt. Express 12(11) 2397-2403 (2004)

Compensation of FM-to-AM conversion in high-power lasers

Huabao Cao, Xingqiang Lu, Linbo Li, Xianhua Yin, Weixin Ma, Jian Zhu, and Dianyuan Fan
Appl. Opt. 50(20) 3609-3614 (2011)

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 (3)

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 (3)

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