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Journal of the Optical Society of Korea

Journal of the Optical Society of Korea


  • Vol. 9, Iss. 1 — Mar. 25, 2005
  • pp: 32–35

Lateral Resolution Enhancement in Confocal Self-interference Microscopy with Commercial Calcite Plate

DongKyun Kang, HongKi Yoo, SeungWoo Lee, and Dae-Gab Gweon  »View Author Affiliations

Journal of the Optical Society of Korea, Vol. 9, Issue 1, pp. 32-35 (2005)

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In light microscopy, spatial resolution is limited by diffraction effect. Confocal microscopy has improved resolutions in both lateral and axial directions, but these are still limited by diffraction effect. Confocal self-interference microscopy (CSIM) uses interference between two perpendicularly polarized beams to enhance lateral resolution. In previous research, we proposed a calcite plate with its optic-axis perpendicular to the propagation angle and one of the boundary surfaces of the plate. This type of plate is not widely used to our knowledge. In this paper, we change the calcite plate to more common one, which is commercially available. This calcite plate has its optic axis in the plane of incidence. We analyze the characteristics of this calcite plate and numerically compare the performances of CSIM in previous research and CSIM with the commercial calcite plate. Numerical results show improved performance when using the commercial calcite plate

© 2005 Optical Society of Korea

OCIS Codes
(080.2740) Geometric optics : Geometric optical design
(180.1790) Microscopy : Confocal microscopy
(260.1440) Physical optics : Birefringence
(260.3160) Physical optics : Interference
(350.5730) Other areas of optics : Resolution

Original Manuscript: January 27, 2005
Revised Manuscript: March 11, 2005
Published: March 1, 2005

DongKyun Kang, HongKi Yoo, SeungWoo Lee, and Dae-Gab Gweon, "Lateral Resolution Enhancement in Confocal Self-interference Microscopy with Commercial Calcite Plate," J. Opt. Soc. Korea 9, 32-35 (2005)

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