Thin Film Based Thermopile Detector: 4 Channels
2M Quad - Dexter Research Center, Inc.
A four-channel thin-film thermopile in a TO-8 package. Each active area is 2mm x 2mm. Offers the world's highest 4-channel sensitivity with exceptional signal-to-noise performance in a TO-8 package. Internal aperture minimizes channel-to-channel crosstalk while increasing sensitivity.