THORLABS APD450C Variable-Gain, Temperature-Compensated Avalanche Photodetectors (1260-1620 nm, 8-32 / M4 Taps)

Detector Type: InGaAs APD

Wavelength Range: 1260 - 1620 nm

Output Bandwidth (3 dB)(b): 0.3 - 1600 MHz

Active Area Diameter: 75 µm, with Ø1.5 mm Ball Lens

Typical Max Responsivity: 9 A/W @ 1550 nm (M = 10)

Transimpedance Gain: 5 kV/A (50 Ω Termination)

Max Conversion Gain(c): 4.5 × 10^4 V/W (50 Ω Termination)

M Factor Adjustment Range: 2 - 10 (Continuous)

M Factor Temperature Stability(d): ±2% (Typical); ±3% (Max)

Saturation Power (CW): 0.1 mW @ 1550 nm (M = 10). 0.5 mW @ 1550 nm (M = 2)

Minimum NEP(e): 1.1 pW/√Hz (0.3 - 1600 MHz)

Dimensions (W x H x D): 2.83" x 2.22" x 1.08"

(a) For a complete list of specifications and responsivity graphs, please see the manual. Data are valid at 23 ± 5 °C and 45% ± 15% relative humidity (non-condensing).

(b) At Maximum Gain Setting

(c) At the Peak Responsivity Wavelength

(d) Within the 23 ± 5 °C temperature range.

(e) For more information on how NEP is calculated, please see Thorlabs' Noise Equivalent Power White Paper.

MANUAL: