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Opto Diode Corporation

Opto Diode, a division of ITW (Illinois Tool Works), is a US manufacturer of photodiodes, IR detectors, and infrared LEDs, with on-site wafer fabrication in Camarillo, California. Product families span the extreme ultraviolet through the mid-infrared: AXUV soft X-ray/EUV photodiodes (0.0124–190 nm), SXUV EUV photodiodes (1–190 nm), UVG UV photodiodes (190–400 nm), InGaAs avalanche photodiodes (900–1700 nm), PbS A-Series IR detectors (1–3 µm), PbSe B-Series IR detectors (1–5 µm), visible/near-inf

Their llms.txt

The beginning of the file, from our validated copy saved 2026-10-21T11:45:30.288Z. Cached copy · Source on optodiode.com

# Opto Diode Corporation

> Opto Diode, a division of ITW (Illinois Tool Works), is a US manufacturer of photodiodes, IR detectors, and infrared LEDs, with on-site wafer fabrication in Camarillo, California. Product families span the extreme ultraviolet through the mid-infrared: AXUV soft X-ray/EUV photodiodes (0.0124–190 nm), SXUV EUV photodiodes (1–190 nm), UVG UV photodiodes (190–400 nm), InGaAs avalanche photodiodes (900–1700 nm), PbS A-Series IR detectors (1–3 µm), PbSe B-Series IR detectors (1–5 µm), visible/near-infrared LEDs (469–880 nm), and broadband blackbody IR emitters. ISO 9001:2015 Registered and ITAR Registered; MIL-PRF-19500 screening from JANTX through JANS. Standard and custom components, optoelectronic assemblies, and photonic modules.

## Selection Guides

- [How to Choose a Photodetector](https://optodiode.com/how-to-choose-a-photodetector/): spectral band → detector family → speed/area/cooling decision guide
- [AXUV vs SXUV Selection Guide](https://optodiode.com/axuv-vs-sxuv-selection-guide/): choosing between soft X-ray/EUV photodiode families
- [PbS vs PbSe Selection Guide](https://optodiode.com/pbs-vs-pbse-selection-guide/): lead-salt IR detector comparison (1–3 µm vs 1–5 µm)
- [GaAlAs IR Emitter Selection Guide](https://optodiode.com/gaalas-ir-emitter-selection-guide/): choosing 850/880 nm LEDs by power, beam angle, package
- [EUV Photodiode for 13.5 nm Power & Dose Monitoring](https://optodiode.com/euv-photodiode-13-5nm-power-dose-monitoring/): SXUV detectors for EUV lithography
- [Covert IR Illumination for Aircraft (NVIS / MIL-STD-3009)](https://optodiode.com/covert-ir-illuminator-aircraft-nvis-mil-std-3009/): OD-669 880 nm TO-66 illuminators
- [BXT2 Two-Stage Cooled PbSe Detector](https://optodiode.com/bxt2-two-stage-cooled-pbse-detector/): highest-detectivity MWIR family
- [US Photodiode & IR Detector Manufacturer](https://optodiode.com/us-photodiode-ir-detector-manufacturer/): US manufacturing, ITAR, custom capability
- [Custom Photodiode & LED Assemblies](https://optodiode.com/our_blog/custom-photodiode-led-assemblies/): higher-level integration — matched pairs, amplifier hybrids, screened assemblies

- [Opto Diode IR LED Part Numbers](https://optodiode.com/opto-diode-ir-led-part-numbers/): OD-880-xxx part-number cross-reference — OD-663/OD-666/OD-669 specs, 850/880 nm
- [PbSe Series Datasheets & Specs](https://optodiode.com/pbse-series-datasheets-specs/): BXP/BXT1/BXT2 comparison — D*, responsivity, active areas, cooling
- [APD Selection Guide & Specifications](https://optodiode.com/apd-selection-guide-specifications/): silicon 400–1100 nm and InGaAs 900–1700 nm avalanche photodiodes
- [AXUV Photodiode Operating Principles](https://optodiode.com/axuv-photodiode-operating-principles/): physics of absolute silicon XUV detectors
- [UVG Photodiode Operating Principles](https://optodiode.com/uvg-photodiode-operating-principles/): 190–400 nm detector physics, radiation hardness
- [Photodiodes for Plasma Diagnostics &
…

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