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Modular Spectrometers

May 2013
Ocean Optics Inc.Request Info
DUNEDIN, Fla., Feb. 21, 2013 — Ocean Optics has expanded its Elite Series of modular spectrometers with the introduction of the Ventana line. Ventana spectrometers combine an optical bench configuration with high collection efficiency and a volume phase holographic grating to provide high throughput and sensitivity for low-light-level applications. Three preconfigured Ventana spectrometers are available: 532- and 785-nm excitation wavelength Raman models, and a visible to near-IR model for general purpose fluorescence applications.

With its high sensitivity performance and compact size, Ventana is suitable for academic and corporate research, OEMs and systems integrators. It is well suited for applications in life sciences, pharmaceuticals and materials analysis.

The 785-nm Ventana system has a spectral range of 250 to 2000 cm−1 and resolution of 10 cm−1; the 532-nm version covers 35 to 4300 cm−1 with 20 cm−1 resolution. The VIS-NIR Ventana spectrometer is configured for fluorescence measurements from 430 to 1100 nm with a resolution of 4 nm FWHM. The 785-nm Raman Ventana spectrometer can be configured with an integrated laser with free-space collection optics for highest throughput. Complete Raman sampling systems including laser, probe and software are available.


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The emission of light or other electromagnetic radiation of longer wavelengths by a substance as a result of the absorption of some other radiation of shorter wavelengths, provided the emission continues only as long as the stimulus producing it is maintained. In other words, fluorescence is the luminescence that persists for less than about 10-8 s after excitation.
optical bench
A support for optical parts comprising a solid bed that permits precise longitudinal movement of one component relative to the others, and a number of sliders equipped with holders for lenses, lamps, apertures, eyepieces, ground glass, etc. Scales often are provided to measure the movement of the various sliders. Some special-purpose benches carry a nodal slide and flat-field bar with a microscope carriage for lens testing. Two-dimensional benches have appeared recently that consist of a...
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