Mid-IR Detector

Opto Diode CorporationRequest Info

The BXT2S-28T two-stage mid-IR detector from Opto Diode Corp. is a cooled, lead selenide (PbSe) device with peak sensitivity between 4.3 and 4.5 µm.

The cooler on the BXT2S-28T allows the detector element to operate as low as -45 °C to maximize detectivity. The device also features a typical responsivity of 7.5 × 10⁴ V/W, providing high sensitivity when monitoring small changes in gas mixtures. Real-time measurements are supported with a fast response time. The cooled unit delivers additional sensitivity for very low-level signal detection and enhanced stability for harsh environments where temperatures are in constant flux. It offers consistently high performance in gas analysis and monitoring tasks, which are key to vital medical, defense, and industrial applications.

The detector is packaged in a TO8 can with a 4-mm² active area, and a flat sapphire window. Absolute ratings for storage and operating temperatures range from -40 to +85 °C.

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Photonics Spectra
Jul 2021

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Mid-IR Detector