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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Editor: Zhizhan Xu
  • Vol. 9, Iss. 12 — Dec. 1, 2011
  • pp: 120001–

High-precision method for measuring the photothermal properties of transparent media with digital holography (Invited Paper)

David C. Clark and Myung K. Kim  »View Author Affiliations


Chinese Optics Letters, Vol. 9, Issue 12, pp. 120001- (2011)


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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<sup>-5</sup> cm<sup>-1</sup> 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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