Highly efficient white light generation from barium fluoride | Zendy

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

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Highly efficient white light generation from barium fluoride

Author(s) -

A. K. Dharmadhikari,

F. A. Rajgara,

N. C. S. Reddy,

Arvinder Sandhu,

D. Mathur

Publication year - 2004

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/opex.12.000695

Subject(s) - optics , barium fluoride , materials science , white light , laser , absorption (acoustics) , wavelength , radiation , fluorescence , crystal (programming language) , optoelectronics , barium , physics , computer science , nuclear physics , metallurgy , programming language

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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