Expand this Topic clickable element to expand a topic
Skip to content
Optica Publishing Group

Narrow-linewidth megahertz-rate pulse-burst laser for high-speed flow diagnostics

Not Accessible

Your library or personal account may give you access

Abstract

A second-generation pulse-burst laser system for high-speed flow diagnostics is described in detail. The laser can produce a burst of high-energy pulses (of the order of hundreds of millijoules per pulse) with individual pulse durations of less than 10 ns and pulse separations as short as 1 μs. A key improvement is the addition of a phase-conjugate mirror, which effectively isolates the high-intensity, short-duration pulses from the low-intensity, long-duration background illumination. It allows for more-efficient amplification and harmonic generation, with efficiencies exceeding 50% for second-harmonic and 40% for third-harmonic generation. Characteristics of the laser system, including gain narrowing, pulse-burst energy distribution, pulse narrowing, and overall pulse-burst energy, are described. In addition, the applicability of the laser for spectroscopic-based flow diagnostics is demonstrated through the presentation of megahertz-rate planar Doppler velocimetry results.

© 2004 Optical Society of America

Full Article  |  PDF Article
More Like This
Narrow-linewidth megahertz-repetition-rate optical parametric oscillator for high-speed flow and combustion diagnostics

Naibo Jiang, Walter R. Lempert, Gary L. Switzer, Terrence R. Meyer, and James R. Gord
Appl. Opt. 47(1) 64-71 (2008)

High-energy pulse-burst laser system for megahertz-rate flow visualization

Pingfan P. Wu and Richard B. Miles
Opt. Lett. 25(22) 1639-1641 (2000)

Third-generation megahertz-rate pulse burst laser system

Brian S. Thurow, Aman Satija, and Kyle Lynch
Appl. Opt. 48(11) 2086-2093 (2009)

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 Optica member, or as an authorized user of your institution.

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

Figures (11)

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

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

Equations (1)

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

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

Select as filters


Select Topics Cancel
© Copyright 2024 | Optica Publishing Group. All Rights Reserved