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Jan 07, 2025
LEOPAR 640/15-SW detector is a high resolution (640x512 format 15 µm pixel pitch) image sensor for military and civil applications.
LEOPAR 640/15-SW detector is comprised of the following major components:
A focal plane array (FPA) made of a 15 µm pitch 640x512 element detector array employing photovoltaic (PV) indium gallium arsenide (InGaAs) on indium phosphide
(InP) substrate
A silicon readout integrated circuit (ROIC) connected to the FPA by indium bumps
A single stage Thermo Electric Cooler (TEC)
An electrical conduction ceramic package body with a kovar lid and a sapphire window to hermetically seal the FPA and the TEC under inert gas.
InGaAs active material
High responsivity
High operability
Low read-out noise
Programmable frame rate
Military standard (MIL-STD-883G)
Sensor | LEOPAR 640/15-SW |
Sensor type | InGaAs PIN-Photodiode |
Spectral response | 0.4 μm - 1.7 μm |
Resolution | 640x512 |
Pixel pitch | 15 μm |
Integration type | Snapshot |
Minimum exposure time | 100 ns |
Frame rate | 30, 60, 120 fps |
Charge handling capacity | 18.7 ke- (UHG) / 190 ke- (HG) / 1.56 Me- (LG) |
Analog outputs | 1, 2, 4 outputs and 2 reference outputs |
Noise level | 587e- (LG) / 72e- (HG) / 6e- (UHG) |
Windowing | Programmable window size and location |
Temperature sensor | > 6.4 mV/K |
Quantum efficiency (QE) | 70% from 1 μm to 1.6 μm |
Dark current | ＜5 fa@15℃ (Typically 1fa) |
Array operability | >99.8% |
Packaging characteristics | Hermetically sealed |
Cooler | Single stage TEC |
Operating and storage temp | -40°C to +71°C |
Weight | ＜40g |
Dimension (W x H x D) | 33.7 mm x 34.5 mm x 13.8 mm |
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