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  • Wavelength Extension Unit

Photonics Spectra
Aug 2011
Newport CorporationRequest Info
For multimodal imaging and spectroscopy applications, Newport Corp. has introduced the WEU-02 wavelength extension unit, designed to expand the capability of femtosecond lasers. Through a series of user controls, the device can be configured for use in various spectroscopy, imaging and pump-probe applications, and it can be integrated into two-photon microscope setups to add modalities for enhanced imaging. Its design allows the fundamental beam to pass through, preserving the beam path and tuning range of the pump source. A portion of the fundamental beam can be sent to a photonic crystal fiber to be converted to a broadband supercontinuum. This light can then be recombined with the remaining fundamental for use in pump-probe and multimodal spectroscopy and microscopy experiments.


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1. The SI unit of length equal to 10-6 m. Also called micron. 2. A screw thread device used to make accurate physical linear measurements.
second-harmonic generation
A process whereby two fields of the same optical frequency interact in a nonlinear material to produce a third field, which has a frequency twice that of the two input fields.
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