InAs Photovoltaic DetectorPVA-2TE-3-0.1×0.1-TO8-wAl2O3-70

2.4 – 3.2 µm, two-stage thermoelectrically cooled

PVA-2TE-3-0.1×0.1-TO8-wAl₂O₃-70 is a two-stage thermoelectrically cooled IR photovoltaic detector based on InAs alloy. It does not contain mercury or cadmium and is complying with the RoHS Directive. 3° wedged sapphire (wAl₂O₃) window prevents unwanted interference effects.

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Features

High performance in the 2.4- 3.2 µm spectral range

Two-stage thermoelectrically cooled

Complying with the RoHS Directive

No bias required

No 1/f noise

Specification (T_a = 20°C, Vb = 0 mV)

Parameter	PVA-2TE-3-0.1×0.1-TO8- wAl₂O₃-70
Active element material	epitaxial InAs heterostructure
Cut-on wavelength λ_cut-on(10%), µm	≤2.4
Peak wavelength λ_peak, µm	2.9±0.3
Cut-off wavelength λ_cut-off(10%), µm	≥3.2
*Detectivity D(λ_peak), cm⋅Hz^1/2/W**	≥5.0×10¹⁰
Current responsivity R_i(λpeak), A/W	≥1.1
Time constant τ, ns	≤15
Resistance R, Ω	≥200k
Active element temperature T_det, K	~230K
Active area A, mm×mm	0.1×0.1
Package	TO8
Acceptance angle, Φ	~70°
Window	wAl₂O₃