Two-color detector


Sensors with a wide spectral response range from UV to IR

The K3413-05 is a hybrid detector containing an infrared-transmitting Si photodiode mounted over an InGaAs PIN photodiode, along the same optical axis. This structure delivers a wide spectral response range from 0.25 μm to nearly 1.7 μm. The built-in thermoelectric cooler maintains a constant temperature during operation, allowing precision measurement with an improved S/N ratio.

-Wide spectral response range
-Si photodiode and InGaAs PIN photodiode are arranged along the same optical axis
-One-stage thermoelectrically cooled type

Package Metal
Package Category TO-8
Cooling One-stage TE-cooled
Spectral response range 0.32 to 1.67 μm
Detector (1) Si
Photosensitive area (1) 2.4×2.4 mm
Peak sensitivity wavelength (typ.) (1) 0.94 μm
Photosensitivity (typ.) (1) 0.45 A/W
Detector (2) InGaAs
Photosensitive area (2) φ0.5 mm
Peak sensitivity wavelength (typ.) (2) 1.55 μm
Photosensitivity (typ.) (2) 0.55 A/W
Measurement condition Typ., Ta=25 ℃, unless otherwise noted

Dimensional outline (unit: mm)

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