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Chin. Opt. Lett.
Research Highlights                                                                [+More]
Co-registration method for photoacoustic imaging and laser speckle imaging

Combining photoacoustic (PA) imaging with laser speckle (LS) imaging (LSI) can simultaneously determine total hemoglobin concentration (HbT), hemoglobin oxygen saturation (SO2), and blood flow rates. Thus, the co-registration of PA and LS images is important in physiological studies and pathological diagnosis. This letter presents a co-registration algorithm combining mutual information with the m...
Optical filter based on internal reflection and optical rotatory dispersion of NaBrO3 crystal

Based on the optical rotatory dispersion and zero reflection of the p-polarization light at the Brewster angle, this paper proposes and demonstrates a novel optical filter that employs only one NaBrO3 crystal and one polarizer. Performance of the optical filter is studied both theoretically and experimentally. Results show that the green light is becomes nearly extinct when the angles of the polar...
30 W Tm-doped fiber MOPA in all-fiber format

A 30-W all-fiberized laser in a master oscillator power amplifier (MOPA) structure with a central wavelength of 1950 nm is demonstrated. The laser is a continuous-wave operation with double-clad Tm-doped silica fiber pumped by pigtailed laser diodes with a central wavelength of 793 nm. The optical-to-optical efficiency of the MOPA system is 37.5% with respect to the total 80 W pump power. The...
First Principles Study of the Influence of Vacancy Defects on Optical Properties of GaN

We employ plane-wave with ultra-soft pseudo method to calculate and compare the total density of states and partial wave density of states of bulk phase GaN, Ga0.9375N and GaN0.9375 systems based on the first principle density-functional theory (DFT). For the existents of Ga, N vacancies, the electronic structures of their neighboring and next neighboring atoms have changed partially. The Ga0.9375...
Announcements                                [+More]
COL will Adopt New Online Manuscript System [20/03/2012]

COL will adopt ScholarOne Manuscripts to manage its submissions and peer review process beginning from March 21, 2012. The authors submitted their manuscripts before can still use the old system ( http://210.72.9....
Call for Papers for the 8th Asia Pacific Laser Symposium (APLS 2012) [16/12/2011]

Call for Papers The 8th Asia Pacific Laser Symposium (APLS 2012) May 27-29, 2012 Huangshan City, Anhui, China   Organized by:    Shanghai Institute of Optics and Fine Mechanics,   &...
Notice about Changes in the COL Template [16/05/2011]

Some changes in the COL template have been made, and according to the new template, 1. For all authors, the innovation information of paper will not be required anymore ; 2. For Chinese authors, some information of paper in Chin...
Call for Papers for Feature Issue on Digital Holography and 3-D Imaging [16/05/2011]

Joint Feature Issue of Chinese Optics Letters (COL) applied Optics (AO) on Digital Holography and 3-D Imaging (to be published in December 2011) invites original manuscript submissions. One of the key elements of the present propose...
Tips for Reference Arrangement and Journal Name Abbreviation [27/04/2011]

COL provides EndNote style for the references arrangement and the authors can download it from the website now. The authors are recommended to use EndNote and other tools to arrange the list of references before submission. M...
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