Optical Detectors l Photodiode array spectrometer module l Low noise detection (<0.1 mAU peak to peak) l Wavelength range 190 nm to 720 nm l Fiber optic design tidas E High performance fiber optic spectrometer system SPECTROSCOPY WPI’s Tidas E is a high end fiber-optic spectrometer module designed for low noise applications. The Tidas E outperforms conventional benchbased spectrophotometers and CCD-based spectrometer modules, when it comes to high precision fiber optic sampling. It relies on a monolithic optical bench made by Zeiss, which is optimized for fiber optic applications. Most cuvette-based standard spectrometers lose more than 90% of light through expensive prism decoupling. The Tidas E is designed for fiber optic sampling cells. Using suitable light sources and sample cells, spectral detection in the wavelength range of 190 to 720 nm can be performed at noise levels < 0.04 mAU peak to peak. tiDAS E SPECifiCAtiOnS OPTICAL BASICS Monolithic Spectrometer Module; Concave Aberration Corrected Holographic Grating; Fiber optic cross section converter for increased light throughput; 2nd order multilayer filter Hamamatsu photodiode array, 256 pixel 190 - 720 nm <10 nm 16 Bit < 0.04 mAU @ 254 nm <1 nm < 0.1 nm 600 μm Windows XP, Vista TIDASDAQ (data collection) & SpectraView (data analysis) 260 mm × 150 mm × 140 mm (10.25" × 5.9" × 5.5") 2.5 kg (5.5 lb) External (RJ-45) 100 - 240 V / 50 - 60 Hz Applications The Tidas E is ideally suited for WPI’s fiber optic sampling equipment. High sensitivity detection systems for flow analysis can be assembled using WPI’s Liquid Waveguide Capillary Cells (LWCC) with effective pathlengths ranging from 50 to 500 cm. These setups are frequently used in fluid injection analysis systems for nutrient analysis (nitrite, nitrate, phosphate, iron) in oceanographic applications. Microliter sampling systems for UV/VIS applications can be assembled, using WPI’s V-Vette or DipTip™ dipping probes (see pages 208–209). DETECTOR ARRAY WAVELENGTH RANGE: SPECTRAL BANDWIDTH (FWHM) DETECTOR RESOLUTION NOISE (PEAK TO PEAK)* WAVELENGTH ACCURACY WAVELENGTH REPRODUCIBILITY FIBER OPTIC INPUT SYSTEM REQUIREMENTS SOFTWARE (INCLUDED) DIMENSIONS (WxHxD) WEIGHT INTERFACE POWER Software There are separate software packages for data collection and data analysis for the Tidas E. An instrument driver, TIDASDAQ, is used to run the spectrometer module, collect spectra in either single or continuous mode, control the digital I/Os and save the experimental data to disk. Data analysis is performed with the SpectraView software package. Further, TIDASDAQ exports data directly into GRAMS/AI, a feature very useful for advanced data analysis for pharmaceutical applications and requirements. tiDAS-i Tidas I Spectrometer Module with TidasDAQ/SpectraView www.wpiinc.com Germany: Tel: +49 (0)30-6188845 • wpide@wpi-europe.com 196 World Precision Instruments UK: Tel: +44 (0)1462 424700 • wpiuk@wpi-europe.com US: Tel: 941-371-1003 • sales@wpiinc.com