Photodiodes
Cooled Photodiode Si 0.4 – 1.1 µm
The CPOD serials cooled Silicon photodiode provides ultra-low noise for detecting from UV to near-infrared light in the 0.4-1.1 µm range. These detectors are hermetically sealed to ensure longevity. Within the detector package, a thermoelectric cooler is integrated with a 3 stage deep cooling as well as integration with a MEMS chopper, significantly reducing background noise while maintaining a compact format. A thermistor is also included in the package to sense the Si photodiode chip temperature for stable operation. It is designed for low-light-level detection applications. Additionally, we offer driving PCB consists a precision TEC temperature controller, an amplifier, and a detector heat sink for convenient use.

Configuration options
Build & quote
Configure the options below and add your exact build to the enquiry — we confirm the part number and availability.
We confirm the exact part number for your configuration on enquiry.
Material Type: Silicon PIN · TEC Type: 1 stage -10°C · Integrated Chopper: Non · Detector Size: 1mm · Window: Sapphire · AR Coated: No · Driver: No
System integration
Integration and compatibility
Use these checks to connect Cooled Photodiode Si 0.4 – 1.1 µm to the surrounding optical, mechanical and control system. Every value shown is taken from this model's own specification record.
- Control interface
- Driver: No, Yes
- Match supply voltage, analog or digital command range, connector pinout and default optical state to the instrument interlock. Confirm the unpowered state explicitly — it decides what happens to the link on a power failure.
Technical FAQ
Integration questions for Cooled Photodiode Si 0.4 – 1.1 µm
Does the Cooled Photodiode Si 0.4 – 1.1 µm require a controller?
Driver: No, Yes. Match supply voltage, analog or digital command range, connector pinout and default optical state to the instrument interlock. Confirm the unpowered state explicitly — it decides what happens to the link on a power failure.
Need this configured?
Share your wavelength, fiber type, connector, power handling and control requirements and we will qualify the matching configuration and part number.
Model selection
Nearby series comparison
Compare Cooled Photodiode Si 0.4 – 1.1 µm with the closest available models in the Photodiodes family. Confirm option-dependent values on the final configuration before ordering.
| Selection parameter | Cooled Photodiode Si 0.4 – 1.1 µm (current) | Cooled Photodiode InGaAs 0.85 – 1.7 µm | Mid Infrared Detector 2 – 5 µm |
|---|---|---|---|
| Wavelength range | Confirm for this model | Confirm for this model | Confirm for this model |
| Optical performance | Confirm for this model | Confirm for this model | Confirm for this model |
| Fiber type | Confirm for this model | Confirm for this model | Confirm for this model |
| Connector / control | No, Yes | No, Yes | Confirm for this model |
