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Optics Letters

Optics Letters


  • Vol. 29, Iss. 13 — Jul. 1, 2004
  • pp: 1488–1490

Confocal thermal-lens microscope

Julien Moreau and Vincent Loriette  »View Author Affiliations

Optics Letters, Vol. 29, Issue 13, pp. 1488-1490 (2004)

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The use of a confocal detection scheme in a dual-beam thermal-lens microscope is presented. The scheme allows the measurement of absorption factors down to 1.2×10-7 in a 0.35-μm3 volume by use of a heating laser power of 100 mW incident upon the sample. Results are presented that prove that a 450-nm axial resolution is possible when a 1.2 water immersion objective lens with a N.A. of 1.2 is used.

© 2004 Optical Society of America

OCIS Codes
(180.1790) Microscopy : Confocal microscopy
(350.6830) Other areas of optics : Thermal lensing

Julien Moreau and Vincent Loriette, "Confocal thermal-lens microscope," Opt. Lett. 29, 1488-1490 (2004)

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