8500nm High power QCL Laser diode


Centre Wavelength 8500nm, Output power 1W, HHL package

Part Number  :  LPLD-FP-8.5-1W-HHL
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LPLD-FP-8.5-1W-HHL is a single-transverse-mode, multi-longitudinal-mode quantum cascade laser (QCL) product that can operate under continuous wave (CW) mode at room temperature (25℃), with an output laser power of over 1W and a central wavelength of 8.5 ± 0.3 μm. It adopts the HHL package, integrated with a collimating lens, a negative temperature coefficient thermistor (NTC-10k), and a thermoelectric cooler (TEC). The laser is hermetically sealed with dry nitrogen, and its optical output window is an uncoated barium fluoride (BaF₂) window.

Parameter Category

Parameter

Value

Value

Value

General Parameters

Dimensions

55 mm × 40mm × 22 mm




Weight

< 160 g



Electrical Parameters

Operating Mode

DC Driven

Operating Temperature

25 ℃


Threshold

Current Ith = 0.78 A

Voltage Vth = 8.66 V



Operating Point

Current Ia = 1.70 A

Voltage Va = 9.92 V

Power Pa = 1.05 W


Intermediate States

Current I = 1.10 A

Voltage V = 9.07 V

Power P = 0.38 W



Current I = 1.20 A

Voltage V = 9.22 V

Power P = 0.48 W



Current I = 1.30 A

Voltage V = 9.35 V

Power P = 0.61 W

Optical Parameters

Wavelength Range

8.309 μm ~ 8.529 μm



General Parameters

Dimensions

55 mm × 40 mm × 22 mm




Weight

< 160 g



Electrical Parameters

Operating Mode

DC Driven

Operating Temperature

25 ℃


Relevant Performance Curves

HHL1.png



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