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Silicon Detectors for Oriel Merlin™ Radiometry System

Silicon Detectors for Oriel Merlin™ Radiometry System
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Silicon Detectors for Oriel Merlin™ Radiometry System - 1

S p e c t r o s c o p y I n s t r u m e n t s 1225 Email: sales@newport.com • Web: newport.com MONOCHROMATORS AND SPECTROGRAPHS SINGLE CHANNEL DETECTION SYSTEMS MINISPECTROMETERS BENCHTOP SPECTROMETERS AND CCD CAMERAS FT-IR SPECTROMETERS ACCESSORIES FOR SPECTROSCOPY INSTRUMENTS Photomultiplier Tubes Description Model Wavelength Range Peak Wavelength Cathode Responsivity* Photocathode Size NEP* (W Hz-1/2) Supply Voltage Side-on PMT 77340 185-650 nm 340 nm 48 mA/W 8 x 24 mm 1.4 x 10-16 1000 77341 185-870 nm 330 nm 40 mA/W 8 x 24 mm 2.8 x 10-16 1000 77343 400-1000 nm 730 nm 1.9 mA/W 8 x 24 mm 1.2 x 10-13 1250 77348 160-900 nm 400 nm 68 mA/W 8 x 24 mm 1.2 x 10-16 1000 77360 185-850 nm 420 nm 70 mA/W 8 x 16 mm 5.0 x 10-16 1000 End-on PMT 77345 185-650 nm 420 nm 85 mA/W 25 mm dia. 2.0 x 10-16 1000 77346 185-850 nm 420 nm 64 mA/W 25 mm dia. 6.6 x 10-16 1000 77361 400-1100 nm 800 nm 1.9 mA/W 25 mm dia. 4.2 x 10-13 1250 * Typical values at the supply voltage listed. See our website WEBfor more info 70336/70356 UV ENHANCED PV Si 70331/70351 VIS-NIR PV Si 70333/70353 VIS-NIR COOLED Si 70338/70358 UV ENHANCED COOLED Si WATTS 10-12 10-13 WAVELENGTH (nm) 200 400 600 800 1000 Lowest measurable powers of Silicon Based Detectors operated by Merlin™. These versatile and ultrasensitive detectors reach NEP levels surpassed only by PMTs. The linearity range is unmatched by any other detector type. They have excellent long term stability, especially the UV enhanced models. These withstand high intermittent and cumulative levels of UV without significant change of response. The TE stabilized units overcome the small temperature dependence of silicon responsivity for even better performance. This is especially critical in the near infrared spectral region, >1 ìm, in the vicinity of the band gap. Silicon Detectors for Oriel Merlin™ Radiometry System Cooled or Room Temperature Photovoltaic Mode Detectors These photovoltaic, unbiased mode detectors provide the lowest noise and highest linearity operation. We offer: • 5 mm diameter area, single stage TE cooled/stabilized detectors • 10 mm2 area, room temperature detectors Switch selectable transimpedance gain and bandwidth control are provided by the built-in amplifiers. Measurable Power Calibration We offer calibrated and standard versions of these detectors. The standard models are shipped with a single point calibration at 633 nm. You can enter that value into Merlin™ for a calibrated measurement. Because of the spectral variation in response, the displayed value is only correct for 633 nm. You can approximately correct the power reading using relative responsivity curves, if you know the spectral content of the incident radiation. For absolute measurement at different wavelengths, choose a calibrated detector. • Vertsatile and highly sensitive detectors • Room temperature and TE cooled models • Large, 10x10 mm active areas The built-in transimpedance amplifiers allow gains between 104 V/A and 109 V/A to match the output of the detectors to the input range of MerlinTM, 0.15 ìV to 4 V, RMS. The phase sensitive detection of MerlinTM allows measurement of low signal power even in the presence of background radiation. We have used the 10 mm2 detectors to measure 200 fW at 700 nm, at signal to noise ratios of better than 2:1.

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Silicon Detectors for Oriel Merlin™ Radiometry System - 2

1226 Phone: 1-800-222-6440 • Fax: 1-949-253-1680 S p e c t r o s c o p y I n s t r u m e n t s MONOCHROMATORS AND SPECTROGRAPHS BENCHTOP SPECTROMETERS MINISPECTROMETERS SINGLE CHANNEL DETECTION SYSTEMS AND CCD CAMERAS ACCESSORIES FOR FT-IR SPECTROMETERS SPECTROSCOPY INSTRUMENTS Detector Systems We offer various silicon detector packages for the Oriel Merlin™ Digital Lock-in; each package includes: • Silicon detector element • Detector housing with built-in preamplifier • All necessary interconnecting cables To complete the system, you will also need to order: • 77055 Cooler Controller for...

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