Thorlabs PDA Series Photo Detectors

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Thorlabs PDA Series Photo Detectors

Features

GaP, Si, Ge, InGaAs, PbS, and PbSe Versions Available
Wide Wavelength Range from 150nm to 4800nm
Up to DC-150MHz Bandwidth
High-Speed PIN Photodiode
Low-Noise, Wide Band Amplifier
0 to 10V Output

Available Stock Items and Accessory Choices

Thorlabs PDA400 Photo Detector

This Thorlabs PDA400 Photo Detector is used and in excellent condition.

Features
• Sensor: InGaAs
• Active Diameter: 1mm
• Response: 800 to 1750nm
• Peak Response: 0.95 A/W at 1550nm
• Bandwidth: DC to 10MHz

Stock #:	56564-1
In Stock:	0
Price:	Call

Description

The Thorlabs PDA Series Photo Detectors are amplified photodiodes in a compact package. The new PDA Series detector housing utilizes a thin profile to allow access to light paths with the minimum amount of interference. The PDA Series of Amplified Photodetectors include a low noise transimpedance, or voltage amplifier capable of driving 50W loads. All connections and controls are located perpendicular to the light path, providing increased accessibility.

Each PDA includes a low noise transimpedence or voltage amplifier and provides a 50 Ohm drive capacity. The wideband models have a fixed gain and a 150MHz bandwidth, while the switchable gain versions provide 70dB of adjustment. Thorlabs' lines of Switchable Gain Detectors provide gain adjustment over a 70 dB range to take full advantage of the photodiode response range. Gains are adjustable from 1.5 kV/A to 4.7 MV/A in eight (8), 10dB steps.

The PDA400 is an amplified, switchable-gain, InGaAs detector designed for detection of light signals from DC to 10 MHz. A five-position rotary switch allows the user to vary the gain in 10 dB steps. A buffered output drives a 50Ω load impedance up to 5 volt. The PDA400 housing includes a removable threaded coupler that is compatible with any number of Thorlabs 1” threaded accessories. This allows convenient mounting of external optics, light filters, apertures, as well as providing an easy mounting mechanism using the Thorlabs cage assembly accessories.

The PDA400 has an 8-32 tapped mounting hole with a 0.25” mounting depth and includes a 120VAC power AC/DC supply. The PDA400-EC has an M4 tapped mounting hole and includes a 230VAC AC/DC power supply.

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PDA400

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