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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 12, Iss. 4 — Feb. 23, 2004
  • pp: 695–700

Highly efficient white light generation from barium fluoride

A. K. Dharmadhikari, F. A. Rajgara, N. C. S. Reddy, A. S. Sandhu, and D. Mathur  »View Author Affiliations

Optics Express, Vol. 12, Issue 4, pp. 695-700 (2004)

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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.

© 2004 Optical Society of America

OCIS Codes
(190.4180) Nonlinear optics : Multiphoton processes
(320.2250) Ultrafast optics : Femtosecond phenomena

ToC Category:
Research Papers

Original Manuscript: January 6, 2004
Revised Manuscript: February 17, 2004
Published: February 23, 2004

A. Dharmadhikari, F. Rajgara, N. C. Reddy, A. Sandhu, and D. Mathur, "Highly efficient white light generation from barium fluoride," Opt. Express 12, 695-700 (2004)

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