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Ondax Nabs NSF Grant to Develop Tunable Lasers
May 2010
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 pioneer in single-frequency lasers and precision spectroscopy, for which he was awarded the Nobel Prize in 2005, contributed technical guidance in the first phase of the program. Hall is enthusiastic about the potential of the technology for new space-based high-precision spectroscopy applications.

The company manufactures high-performance VHG filters and wavelength-stabilized laser sources for a range of applications, including Raman spectroscopy, biomedical and analytical instrumentation, environmental sensing, metrology and scientific research.

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The optical recording of the object wave formed by the resulting interference pattern of two mutually coherent component light beams. In the holographic process, a coherent beam first is split into two component beams, one of which irradiates the object, the second of which irradiates a recording medium. The diffraction or scattering of the first wave by the object forms the object wave that proceeds to and interferes with the second coherent beam, or reference wave at the medium. The resulting...
The science of measurement, particularly of lengths and angles.
raman spectroscopy
That branch of spectroscopy concerned with Raman spectra and used to provide a means of studying pure rotational, pure vibrational and rotation-vibration energy changes in the ground level of molecules. Raman spectroscopy is dependent on the collision of incident light quanta with the molecule, inducing the molecule to undergo the change.
Americasanalytical instrumentationbiomedicalBiophotonicsBusinessDr. John L. Hallenvironmental sensingexternal cavityexternal cavity tunable single frequency lasergrantgratingsgreen photonicsholographyimagingJohn Hallmetrologymode-hop-freeNational Science FoundationNobel PrizeNSFOndaxOndax Inc.Phase IPhase IIprecision spectroscopyRaman spectroscopyscientific researchsingle frequencysingle frequency laserspectroscopyTest & MeasurementTunable LasersTuningVHGvolume holographic gratingwavelengthWavelength Tuninglasers

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