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Proceedings Paper

Optimal selection of cut-on wavelength in soliton self-frequency shift for nonlinear optical microscopy
Author(s): Ke Wang; Yuxin Wang; Ping Qiu
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Paper Abstract

Soliton self-frequency shift (SSFS) is a versatile technique for generating ultrashort optical pulses with customized wavelengths suitable for nonlinear optical microscopy. However, spectral overlapping of the soliton with the residual sometimes causes extra power deposition onto the biological samples, which may further induce optical damage. Consequently, how to choose the optimal optical filter is of vital importance for increasing signal level and minimizing damage. Here we propose maximizing the ratio between multi-photon signal and the nth power of the excitation pulse energy as a criterion for optimal spectral filtering in SSFS. This optimization is based on most efficient signal generation and entirely depends on physical quantities that can be easily measured experimentally.

Paper Details

Date Published: 5 March 2015
PDF: 4 pages
Proc. SPIE 9315, Design and Quality for Biomedical Technologies VIII, 93150L (5 March 2015); doi: 10.1117/12.2075422
Show Author Affiliations
Ke Wang, Shenzhen Univ. (China)
Yuxin Wang, Shenzhen Univ. (China)
Ping Qiu, Shenzhen Univ. (China)


Published in SPIE Proceedings Vol. 9315:
Design and Quality for Biomedical Technologies VIII
Ramesh Raghavachari; Rongguang Liang, Editor(s)

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