CONEX™ Position Sensing Detectors

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Overview

The CONEX-PSD position sensing detectors provides accurate XY position information of laser beams and are ideally suited for laser beam stabilization, laser tracking and general beam diagnostics. Unlike quadrant detectors, the improved tetra-lateral effect diode of the CONEX-PSDs is highly linear over the full sensor size, and delivers a third signal that is proportional to the beam power.

Measures laser beam position and power with integrated CONEX™ controller
320–1100 nm or 800-1700 nm range
9 x 9 mm or 10 x 10 mm sensor size
Analog and adjustable digital filters to reduce noise
Compatible with pulsed laser sources
2.5 µm minimum detectable position change

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Products

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		Compare	Model	ranking	Drawings, CAD & Specs		Wavelength Range	Availability	Featured Item	Price		Brand
		CONEX-PSD10GE Optical Beam Position Detector, 10x10 mm Sensor, 800-1700 nm $4,256.00 Contact Us	CONEX-PSD10GE Optical Beam Position Detector, 10x10 mm Sensor, 800-1700 nm	0.0		0.0	800-1620 nm	Contact Us		$4,256.00		Newport
		CONEX-PSD9 Optical Beam Position Detector, 9-mm sensor $1,752.00 Show	CONEX-PSD9 Optical Beam Position Detector, 9-mm sensor	0.0		0.0	320-1100 nm	Show		$1,752.00		Newport

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Specifications

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Models	CONEX-PSD9 Model: CONEX-PSD9 Optical Beam Position Detector, 9-mm sensor $1,752.00 Show See Full Product Details Product Series Overview CONEX™ Position Sensing Detectors	CONEX-PSD10GE Model: CONEX-PSD10GE Optical Beam Position Detector, 10x10 mm Sensor, 800-1700 nm $4,256.00 Contact Us See Full Product Details Product Series Overview CONEX™ Position Sensing Detectors
Wavelength Range	320-1100 nm	800-1620 nm
Detector Material	Silicon	Germanium
Sensor Size	9 x 9 mm	10 x 10 mm
Responsivity	0.6 A/W @ 960 nm	0.85 A/W @ 1500 nm
Resolution	12 bit	12 bit
Power Input Range	10–80% of max. power, see graph for details	Between 0.1 mW and 1 mW
Sensitivity	1.5 µm at maximum power and with 20 Hz digital filter	5 µm at maximum power and with 20 Hz digital filter
Power Requirements	Powered through USB interface	Powered through USB interface
Computer Interface	USB	USB
Dimensions	93.2 x 53 x 23 mm (controller), 38.1 mm diameter x 17.7 mm (sensor head)	93.2 x 53 x 23 mm (controller), 38.1 mm diameter x 22.9 mm (sensor head)

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Features

CONEX-PSD9 Responsivity for 320-1100 nm

CONEX-PSD9 Maximum Optical Power

CONEX-PSD10GE Responsivity for 800-1700 nm

CONEX-PSD10GE Max % Returned by GP Command for 1mW Beam

Works With Pulsed Lasers

Compared to many detectors that are tweaked for high bandwidth, the CONEX-PSD has been optimized for stability and compatibility with pulsed laser beams. An analog input filter with 319 Hz cut-off frequency suppresses high frequency noise and undesired signal ringing when used with pulsed lasers. An additional digital low pass filter can be set by software in a frequency range from 0 Hz to 1000 Hz to further improve signal homogeneity.

Simple Control Software

All CONEX modules provide easy, plug-and-play, USB PC control. Multiple units can be connected to a single USB port using standard USB hub technology. CONEX-PSD modules are powered through the USB port and includes an intuitive software. The CONEX module is fully supported for software development with LabVIEW™.