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Dual Detector Spectrometers
Feb 2007
StellarNet Inc.Request Info
TAMPA, Fla., Feb. 22, 2007 -- The DUAL-DSR spectrometers from miniature fiber optic spectrometer maker StellarNet Inc. are fiber optically coupled instruments that cover a "super range" from 0.2-2.3 µm for spectroscopy measurements on a PC via USB-2 interface. The spectrograph optics have no moving parts, for shock-proof durability in a portable environment with battery power optional.

Dual-DSR.jpgEach system has a 2048-element detector array for UV-VIS and also a thermoelectrically cooled 512- or 1024-element InGaAs photodiode array for near infrared (NIR). SpectraWiz software produces a single spectral graph, allowing user adjustment of spectral overlap. Several configurations provide options for desired range and resolution with each detector in a separate ruggedized modular enclosure.

Optional fiber optic accessories are available for simultaneous color and composition analysis of solids. The RFX1 reflectance fixture has an integrated halogen light source and allows placement of samples on top in a Petri dish or a glass plate. For chemical analysis of liquids, the SL1-CUV halogen light source has an integrated 1-cm cuvette holder.

Also available are dip probes with replaceable tips of various path lengths (0.5 cm, 1 cm, 2 cm, etc.). Longer path lengths allow for lower concentrations measurement. For optical spectroscopy measurements, the TXF3 transmission fixture allows adjustment for sample placement between two collimating lens attached via fiber optic cables to the NIR spectrometer and SL1 halogen light source.

The included SpectraWiz software suite enables a variety of spectroscopy measurements, such as "customizable" programs for LabVIEW and direct operation from MS Excel via Visual Basic Automation.

For more information, visit:; e-mail:

StellarNet Inc.
14390 Carlson Cir.
Tampa, FL 33626
Phone: (813) 855-8687
Fax: (813) 855-2279


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