High-precision method for measuring the photothermal properties of transparent media with digital holography (Invited Paper)
Chinese Optics Letters, Vol. 9, Issue 12, pp. 120001- (2011)
Acrobat PDF (1029 KB)
Abstract
Quantitative phase microscopy by digital holography provides direct access to the phase profile of a transparent subject with high precision. This is useful for observing phenomena that modulate phase, but are otherwise difficult or impossible to detect. In this letter, a carefully constructed digital holographic apparatus is used to measure optically induced thermal lensing with an optical path difference precision of less than 1 nm. Furthermore, by taking advantage of the radial symmetry of a thermal lens, such data are processed to determine the absorption coefficient of transparent media with precisions as low as 1 × 10-5 cm-1 using low power (30 mW) continuous wave (CW) excitation.
© 2011 Chinese Optics Letters
OCIS Codes
(090.0090) Holography : Holography
(350.6830) Other areas of optics : Thermal lensing
(090.1995) Holography : Digital holography
ToC Category:
Measurement
Virtual Issues
Digital Holography and 3D Imaging 2011 (2011) Applied Optics
Citation
David C. Clark and Myung K. Kim, "High-precision method for measuring the photothermal properties of transparent
media with digital holography (Invited Paper)," Chin. Opt. Lett. 9, 120001- (2011)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-9-12-120001
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