Low Light Sensor Selection Guide

The ever-evolving technologies push the lower limit of measuring the photon energy. Look no further than Newport to find a solution for low light sensing applications. PMTs (photomultiplier tubes) from Oriel brand and APD (avalanche photodiode detectors) and femtowatt detectors from New Focus provides solutions for your measurement challenges.

Selecting a Low Light Sensor

Click Low Light Sensors to shop or browse all of our standard models, or select a product series below for more information on our products and capabilities.

Avalanche Photodiodes		Features
	Silicon Photomultiplier Detectors	• Compact, rugged and stable detector supplied with integrated power supply and TE cooler (-30 ˚C) • High gain (106) resulting in similar detection capability of PMTs • Not degradable due to excess/ambient light like PMTs • Low bias voltages (30V) • Low dark count rate (Typically 10 - 100 KHz/mm2) • Large area up to 9 mm2
	1 GHz Avalanche Photodiode Photoreceivers	• Ultralow noise and fast 1-GHz bandwidth • Adjustable gain with single-ended and differential outputs • Built-in temperature-compensation circuit
Photomultiplier Tubes (PMTs)		Features
	Oriel Photomultiplier Tubes and Detectors	• A variety of Oriel detectors working with latest Newport power meters • End-on and side-on PMTs • Si, Ge, and InGaAs semiconductor detectors • Highly sensitive thermopiles complementing existing Newport thermal detectors
	Photomultiplier Tubes	• Ultimate low light level detectors • DC or modulated light detection • High responsivity pulsed event detection from ms down to ns • 160 nm to 1100 nm models
	Femtowatt Photoreceivers	• High sensitivity UV detectors • Easy to use • End-on and Side-on models
Femtowatt Photoreceivers		Features
	Silicon Photomultiplier Detectors	• High >1011-V/W gain • Powered by 9-V batteries • Responsivity from the UV to the IR

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