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Home / Detector module / InGaAS Detector Module / LDPD020N InGaAs Photodetectors

LDPD020N InGaAs Photodetectors

LD-PD's InGaAs Photodetectors contain PIN photodiodes that utilize the photovoltaic effect to convert optical power into an electrical current. When terminated into 50Ω into an oscilloscope, the pulsewidth of a laser can be measured. When terminated into 50Ω into a spectrum analyzer, the frequency response of a laser can be measured. Plugging a coaxial cable into the photodetector's BNC output connector and terminating into 50Ω at the oscilloscope or spectrum analyzer is all that is required for operation.

Name Price Operation
500um InGaAs Photodetectors $280.00
Features

● All InGaAs photodetectors can be ordered

● with optional wall plug-in power supply

Specifications

Specifications

LDPD020N(InGaAs)

Rise Time/Fall Time

<20ns/<20ns

Responsivity at 1300nm 

0.9A/W

Power Supply1

220-240VAC(50-60HZ)

Bandwidth

>650MHz

Active Area Diameter

500µm

Output impedance

50Ω

Amplifier gain

5000

Response   Wavelength range

900-1700nm

Coupling Method

DC

Output Voltage

0-5V

Dark Current

<2.0nA

Acceptance Angle  (1/2 angle)

35°

Noise Equivalent Power 

<0.03pW/√Hz

Maximum Linear Rating

CW current: 5mA

Mounting (Tapped Holes)

8-32 or M4

Output Connector

BNC

Operation   Temperature

-40-+85

Store temperature

-40-+85

Note1;we have our Power supply Included

Spectrum Response

tc1.png

Dimension

tc2.png

Front View

tc3.png

Back View

Application

● Monitoring the output of Q-switched lasers 

● Monitoring the output of mode-locked lasers 

● Monitoring the output of externally modulated CW lasers 

● Time domain and frequency response measurements

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