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Scientific-Grade Spectrometer

Photonics.com
Jun 2012
Ocean Optics Inc.Request Info
 
DUNEDIN, Fla., June 11, 2012 — Ocean Optics’ QE65 Pro scientific-grade modular spectrometer features high sensitivity and low stray light for fluorescence, Raman and DNA sequencing spectroscopy.

Its new optical bench components efficiently manipulate light for high throughput and sensitivity. A thermally robust design promotes spectrometer wavelength stability over a wide temperature range, and ultralow jitter triggering synchronizes timing with other devices.

An extensive range of new gratings optimize wavelength range and stray light performance. To further tailor the instrument to application needs, replaceable slits can be reconfigured by the user in the field. By changing the slit, users can precisely balance optical resolution and throughput to achieve accurate results with a single multipurpose instrument.

The Hamamatsu FFT-CCD back-thinned detector that forms the core of the instrument produces 90% maximum quantum efficiency, low etalon characteristics, a >1000:1 signal-to-noise ratio and high signal processing speeds. The spectrometer performs low-light-level detection and offers integration times from 8 ms to 15 min, with virtually no spectral distortion.


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GLOSSARY
fluorescence spectroscopy
The spectroscopic study of radiation emitted by the process of fluorescence.
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.  
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