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Frequently Asked Questions

The absolute maximum ratings for the QLD1061 laser include optical output power (CW) of 50 mW, LD forward current (CW) of 250 mA, peak output power (Pulse 10 ns / 1 MHz) of 150 mW, LD peak current (Pulse 10 ns / 1 MHz) of 600 mA, LD reverse voltage of 2 V, TEC drive current of 2 A, TEC drive voltage of 4.3 V, operation temperature of 0 to 60 C, and storage temperature of -40 to 85 C.

The features of the QLD1061 laser include single longitudinal mode operation at 1064 nm, fiber-pigtailed 14-pin butterfly package with a TEC, optical isolator integration, and polarization maintaining fiber integration, and CW/Pulse operation.

The optical and electrical characteristics of the QLD1061 laser include peak wavelength p CW, P f =30 mW of 1059 * 1064 1069* nm, temperature coefficient of p dp/dT CW of - 0.08 - nm/K, current coefficient of p dp/dI CW of - 0.008 - nm/mA, threshold current Ith CW of 15 20 mA, CW fiber output power Pf CW of 30 - - mW, pulsed peak output power Pf_peak 5 ns / 100 kHz of 100 mW, operation current Iop CW, P f =30 mW of 110 160 mA, operation voltage Vop CW, P f =30 mW of 1.5 1.8 V, pulsed peak operation current Iop_peak Pf_peak =100 mW of 320 - mA, pulse width tpw pulsed of 0.05** - 100 ns, duty cycle D.C. pulsed of - - 2 %, sidemode suppression ratio SMS R CW, P f =30 mW of 30 50 - dB, pulse d 4 ns / 1 MHz / Pf_peak =50 mW of 30 40 - dB, polarization extinction ratio PER CW, P f =30 mW of 15 20 - dB, monitor PD current Im CW, P f =30 mW of 50 200 800 A, and thermistor resistance Rth TLD = 25°C, B=3900 K of 9.5 10 10.5 k.

The pin configuration of the QLD1061 laser includes 14 pins for the butterfly package with an optical isolator, a monitor PD, and a thermo-electric cooler.

The QLD1061 is a 1064-nm distributed feedback (DFB) laser for use in seeder for fiber lasers and sensing applications.

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