HgCdTe room temperature photovoltaic multi-junction quadrant infrared detectorPVMQ-10.6-1x1-TO8-NW-70

PVMQ-10.6-1x1-TO8-NW-70 is an uncooled photovoltaic multi-junction quadrant IR detector based on HgCdTe heterostructure for optimal performance and stability. Its specific wavelength (λ_spec) is 10.6 µm and its four active elements, arranged in a quadrant geometry, are each 1 mm × 1 mm. The detector is available in the TO8 package without a window.

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Features

Spectral range: 2.0 to 12 µm

Large active area

Back-side illuminated

Fast response

Room temperature operation

No bias required

No 1/f noise

No minimum order quantity required

Applications

Gas detection, monitoring and analysis: SO2, NH3, SF6

CBRN threats detection

CO2 laser measurements: power monitoring and control, beam profiling and positioning, calibration

Free-space optical communication

FTIR spectroscopy

Bacteria identification in medicine

Dentistry

Glucose sensing

Detector configuration

Detector symbol	PVMQ-10.6-1x1-TO8-NW-70
Detector type	photovoltaic, multi-junction
Active element material	epitaxial HgCdTe heterostructure
Cooling	no
Temperature sensor	n/a
Active area of single element, A	1 mm × 1 mm
Number of elements	4 (2 rows, 2 columns)
Active area pitch	1.15 mm (horizontally) 1.20 mm (vertically)
Optical immersion	no
Package	TO8
Acceptance angle, Φ	~70 deg.
Window	no

Specification

(T_amb = T_chip = 293 K, V_b = 0 V)

Parameter	Value			Unit
	Min.	Typ.	Max.	-
Cut-on wavelength, λ_cut-on (10%)	-	2.0	-	μm
Peak wavelength, λ_peak	-	8.5±1.0	-	μm
Specific wavelength, λ_spec	-	10.6	-	μm
Cut-off wavelength, λ_cut-off (10%)	-	12.0	-	μm
*Detectivity, D (λ_peak, 20 kHz)**	-	2.0×10⁷	-	cm⋅Hz^1/2/W
*Detectivity, D (λ_spec, 20 kHz)**	1.0×10⁷	-	-	cm⋅Hz^1/2/W
Current responsivity, R_i (λ_peak)	-	0.004	-	A/W
Current responsivity, R_i (λ_spec)	0.002	0.0025	-	A/W
Time constant, τ	-	1.5	-	ns
Dynamic resistance, R_d	30	50	-	Ω