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Home / Detector module / InGaAS Detector Module / Lightcap C3A Series 1mm Fast Response InGaAs photodetector module

Lightcap C3A Series 1mm Fast Response InGaAs photodetector module

The C3A photodetector module incorporate photodiodes, amplifier and power regulator into a small package. It is suitable for both laboratory use and user system integration. The module requires positive and negative voltage to work. It has internal LDO to regulate the working voltage, reduce input noise and increase S/N ratio.

The C3A series contains Si and InGaAs photodiodes with different size and speed. The typical output with 1 mm2 Si photodiodes is ±3V, 0~25MHz. (±5V supply).

Name Price Operation
1mm InGaAS Photodiode Module $350.00
Features

● Compact Design

● Four φ6mm through holes for coaxial mounting

● For light-tight and air-tight applications

● Wide variety of sensor

● 20dB gain boost

● Wide input: ±5~±20V

Specifications

Photodetector C3A-I1700LA1

Item

Value

Detector

InGaAs

Active Area

φ1.0mm

Window

Plane borosilicate glass

Wavelength Range

900-1700nm

Peak Wavelength

1550nm

Photo Sensitivity

0.85A/W @1310nm 0.95A/W @1550nm

Photo Directivity

±20º

NEP

6*10-15 W/Hz1/2

Bandwidth

750MHZ

Transimpedance Gain

50k V/A @ 0dB Gain

Output voltage

500k V/A @20dB Gain

Output impedance

0~+3V (into Hi-Z)

Input Voltage

0~+1.5V (into 50Ω)

Operating Temperature

50Ω

Max Pressure Difference

V+: +5 ~ +20V


Spectral response

1mm.png

Dimension

234_副本.png

Installation tips

                     When combined with 30mm cage systems,                                           Use φ6mm guide pins and M6 screws for surface install.                                                       use the screws on the side for locking                                                              Add an O-ring for air-tight application.                  、                                                2345截图20190523202424.png                                                                                            t2_副本_副本.png

                   Use the M4 thread on top with common rods.                                                    Connect the inputs and outputs as following

               、                       t3_副本.png                                                                                               t4_副本.png


Suggested surface mounting

Use two guide pins to locate the sensor precisely. Otherwise, use four M6 screws.

t7.png

                                                                                             (All dimensions in mm)

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