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Ondax Nabs NSF Grant to Develop Tunable Lasers

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MONROVIA, Calif., May 13, 2010 — Ondax Inc. announced Monday that it received a $500,000 Phase II award from the National Science Foundation (NSF) to continue development of a novel miniature external cavity tunable single-frequency laser. The grant follows an earlier demonstration of a self-aligned, nondispersive, tunable single-frequency laser that incorporates a multiline volume holographic grating (VHG) element. The second phase will help the company to extend the tuning range and develop mode-hop-free fine wavelength tuning. With continued involvement in Phase II development work, Dr. John L. (Jan) Hall, a...Read full article

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    Published: May 2010
    Glossary
    holography
    Holography is a technique used to capture and reconstruct three-dimensional images using the principles of interference and diffraction of light. Unlike conventional photography, which records only the intensity of light, holography records both the intensity and phase information of light waves scattered from an object. This allows the faithful reproduction of the object's three-dimensional structure, including its depth, shape, and texture. The process of holography typically involves the...
    metrology
    Metrology is the science and practice of measurement. It encompasses the theoretical and practical aspects of measurement, including the development of measurement standards, techniques, and instruments, as well as the application of measurement principles in various fields. The primary objectives of metrology are to ensure accuracy, reliability, and consistency in measurements and to establish traceability to recognized standards. Metrology plays a crucial role in science, industry,...
    raman spectroscopy
    Raman spectroscopy is a technique used in analytical chemistry and physics to study vibrational, rotational, and other low-frequency modes in a system. Named after the Indian physicist Sir C.V. Raman who discovered the phenomenon in 1928, Raman spectroscopy provides information about molecular vibrations by measuring the inelastic scattering of monochromatic light. Here is a breakdown of the process: Incident light: A monochromatic (single wavelength) light, usually from a laser, is...
    wavelength
    Electromagnetic energy is transmitted in the form of a sinusoidal wave. The wavelength is the physical distance covered by one cycle of this wave; it is inversely proportional to frequency.
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