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Single-shot time-frequency imaging spectroscopy using an echelon mirror |
Optics Letters, Vol. 37, Issue 6, pp. 1118-1120 (2012)
http://dx.doi.org/10.1364/OL.37.001118
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Abstract
We demonstrate single-shot time-frequency imaging spectroscopy with an echelon mirror for measuring ultrashort laser pulses as well as ultrafast responses of materials using the same optical setup. The echelon mirror produces a spatially encoded time delay for the probe pulse whereby both the probe and pump pulses are focused on samples with small spot size. Using the optical Kerr gate apparatus, we successfully mapped the time-frequency images of ultrashort laser pulses and subsequently evaluated the chirp characteristics with the phase-retrieval procedure on a single-shot basis. By simply replacing the Kerr medium with samples, we could also visualize the phonon-polariton oscillations in ferroelectric
© 2012 Optical Society of America
OCIS Codes
(300.6500) Spectroscopy : Spectroscopy, time-resolved
(320.1590) Ultrafast optics : Chirping
(320.7100) Ultrafast optics : Ultrafast measurements
(320.7150) Ultrafast optics : Ultrafast spectroscopy
ToC Category:
Ultrafast Optics
History
Original Manuscript: December 19, 2011
Manuscript Accepted: January 30, 2012
Published: March 15, 2012
Citation
Hiroyuki Sakaibara, Yuki Ikegaya, Ikufumi Katayama, and Jun Takeda, "Single-shot time-frequency imaging spectroscopy using an echelon mirror," Opt. Lett. 37, 1118-1120 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-6-1118
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