Sierra Pacific Innovations
Sierra Pacific Innovations is the United States leader in providing custom, military grade, therm……...
Detecting Laser Beams in Collimators with Quadrant PIN Photodiodes
Quadrant photodiodes from First Sensor are discrete components that commonly feature four optically active areas divided by a small gap. These photodiodes are designed to detect the position of laser beams, in collimators and a number of other adjustment applications.
Special Features
Small gap areas
High resolution
Low dark current
High shunt resistance
A special version for 1064 nm is also available
Image Credit: First Sensor
Click Here to Learn More
Series 6 – Low Dark Current
Technical Specifications and PDF Datasheet
| Order # | Chip | Package | Active Area Size (mm) / Area (mm²) | Gap (µm) | Dark current (nA); 10 V | Capacitance (pf); 10 V | Rise time (ns); 850 nm, 10 V, 50 Ω |
|---|---|---|---|---|---|---|---|
| 501222 | QP1-6 | TO52 | Ø 1.13 / 4x0.25 | 16 | 0.1* | 1 | 20 |
| 500142 | QP50-6 | TO8S | Ø 7.8 / 4x12.5 | 42 | 2.0* | 25 | 40 |
| 501276 | QP100-6 | LCC10G | 10x10 / 4x25 | 50 | 4.0* | 50 | 40 |
* per segment
Series Q – for 1064 nm
Technical Specifications and PDF Datasheet
| Order # | Chip | Package | Active Area Size (mm) / Area (mm²) | Dark current (nA); 150 V | Rise time (ns); 1064 nm, 180 V, 50 Ω |
|---|---|---|---|---|---|
| 501049 | QP22-Q | TO8S | Ø 5.3 / 4×5.7 | 1.5* | 12 |
| 501526 | QP45-Q | TO8Si with heater | 6.7×6.7 / 4×10.96 | 8* | 12 |
| 501272 | QP100-Q | LCC10G | 10×10 / 4×25 | 6.5* | 12 |
| 50079803 | QP154-Q | TO1032i | Ø 14.0 / 4×38.5 | 10* | 12 |
| 50131304 | QP154-Q | TO1081i with heater | Ø 14.0 / 4×38.5 | 10* | 12 |
| 50131305 | QP154-Q | TO1081i with heater | Ø 14.0 / 4×38.5 | 10* | 12 |
* per segment
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