Highly efficient white light generation from barium fluoride

A. K. Dharmadhikari; F. A. Rajgara; N. C.S. Reddy; A. S. Sandhu; D. Mathur

doi:10.1364/OPEX.12.000695

Highly efficient white light generation from barium fluoride

A. K. Dharmadhikari, F. A. Rajgara, N. C.S. Reddy, A. S. Sandhu, D. Mathur

Research output: Contribution to journal › Article › peer-review

49 Scopus citations

Abstract

We demonstrate highly efficient white light generation by focusing 45 fs long pulses of 800 nm laser radiation with 1 mJ energy onto a 10 cm long barium fluoride crystal. The entire wavelength band from 400-1000 nm was generated with efficiency greater than 40%. We also observe multiphoton absorption induced fluorescence in the crystal. By employing line focusing geometry at low intensity, we show that white light fringes are formed with a single laser beam, indicative of the coherent property of the white light that is produced.

Original language	English (US)
Pages (from-to)	695-700
Number of pages	6
Journal	Optics Express
Volume	12
Issue number	4
DOIs	https://doi.org/10.1364/OPEX.12.000695
State	Published - Feb 2004
Externally published	Yes

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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AU - Rajgara, F. A.

AU - Reddy, N. C.S.

AU - Sandhu, A. S.

AU - Mathur, D.

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AB - We demonstrate highly efficient white light generation by focusing 45 fs long pulses of 800 nm laser radiation with 1 mJ energy onto a 10 cm long barium fluoride crystal. The entire wavelength band from 400-1000 nm was generated with efficiency greater than 40%. We also observe multiphoton absorption induced fluorescence in the crystal. By employing line focusing geometry at low intensity, we show that white light fringes are formed with a single laser beam, indicative of the coherent property of the white light that is produced.

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Highly efficient white light generation from barium fluoride

Abstract

ASJC Scopus subject areas

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