Digital holographic microscopy with physical phase compensation

Q Weijuan, Y Yingjie, CO Choo, A Asundi - Optics letters, 2009 - opg.optica.org
An optical configuration for digital holographic microscopy is presented. Digital off-axis
holograms are recorded by using a single-cube beam splitter in a nonconventional …

Quasi-physical phase compensation in digital holographic microscopy

W Qu, CO Choo, VR Singh, Y Yingjie, A Asundi - JOSA A, 2009 - opg.optica.org
In digital holographic microscopy, if an optical setup is well aligned, the phase curvature
introduced by the microscope objective (MO) together with the illuminating wave to the …

Transmission digital holographic microscopy based on a beam-splitter cube interferometer

W Qu, K Bhattacharya, CO Choo, Y Yu, A Asundi - Applied optics, 2009 - opg.optica.org
A new optical configuration for digital holographic microscopy is presented. Digital off-axis
holograms are recorded by use of a single cube beam splitter in a nonconventional …

Extended depth of focus in a particle field measurement using a single-shot digital hologram

W Chen, C Quan, CJ Tay - Applied Physics Letters, 2009 - pubs.aip.org
We propose a method to extend the depth of focus in a particle field measurement using a
single-shot digital hologram. A focal plane is obtained for each pixel based on an entropy …

Characterization and inspection of microlens array by single cube beam splitter microscopy

W Qu, OC Chee, Y Yu, A Asundi - Applied Optics, 2011 - opg.optica.org
The application of a single cube beam splitter (SCBS) microscope to micro-optics
characterization is presented. The SCBS in the optical path, with a small angle between the …

Wavelength dependence of light-induced domain nucleation in MgO-doped congruent LiNbO3 crystal

Y Zhi, D Liu, W Qu, Z Luan, L Liu - Applied physics letters, 2007 - pubs.aip.org
Within the wavelength range from 351 to 799 nm⁠, the different reductions of nucleation
field induced by the focused continuous laser irradiation are achieved in the 5 mol% MgO …

Phase mapping of domain kinetics in lithium niobate by digital holographic interferometry

Y Zhi, D Liu, J Sun, A Yan, Y Zhou, Z Luan… - Journal of Applied …, 2009 - pubs.aip.org
The phase mapping of domain kinetics under the uniform steady-state electric field is
achieved and investigated in the LiNbO 3 crystals by digital holographic interferometry. We …

Investigation of effective internal field in congruent lithium niobate crystal by digital holographic interferometry

Y Zhi, D Liu, W Qu, Z Luan, L Liu - Applied physics letters, 2007 - pubs.aip.org
The phase contrast across the crystal thickness induced by the internal field is measured by
the digital holographic interferometry just after the congruent lithium niobate crystal is …

Red laser-induced domain inversion in MgO-doped lithium niobate crystals

L Da-Shan, L De-An, Z Ya-Nan, Q Wei-Juan… - Chinese Physics …, 2007 - iopscience.iop.org
A laser beam at wavelength 647 nm is focused on a sample of 5 mol% MgO-doped lithium
niobate crystal for domain inversion by a conventional external electric field. In this case, a …

Physical phase compensation in digital holographic microscopy

W Qu, OC Chee, Y Yu, VR Singh… - Fourth International …, 2010 - spiedigitallibrary.org
In digital holographic microscopy (DHM), using microscope objective for sample imaging
may introduce additional spherical phase curvature. It can be physically compensated by …