High temperature / multi-color QCW stacked array
QD-Q1yzz-B(n), QD-Q1yzz-BS(n) and QD-Q1yzz-G(n) are a variety of conductively cooled laser diode stacked arrays for reliable operation in severe temperature ranges. These stacks can be built with 2 to 25 diode bars of 60 W QCW to 400 W QCW. The laser diode bar arrays benefit from a fully developed technology, with appropriate designs for improved efficiency and reliable performance at high temperature.
QCW operation
Up to 400 W QCW per diode bar
Hard sodder technology
Wavelengths: 795 – 830 nm, 880 nm and 9xx nm
Highly efficient over a large operating temperature range (- 40 to 80°)
Options for multi-color emission (2 to 5 colors simultaneously)
Low thermal resistance assembly
Mechanically robust, shock and vibration resistant
Collimation on request with a pitch of 400 µm
Applications
Ablation
Engraving
Flat panel display
LIBS
LIDAR
LIF
Surface treatment
Spectroscopy
Marking
Shockwave generation
Pumping
Remote sensing
Pointer
Designator
Illuminator
Range finder
Defense & Security
etc.
Specifications
Temperature: + 25° C
Quasi-continuous mode: pulse width = 200 µs
Repetition rate = 100 Hz
Parameters
QD-Q1yzzB(n) ou J(n)
QD-Q1yzzBS(n)
QD-Q1yzzG(n) Number of diode bars (pitch = 400µm) (zz =)
1 to 12
1 to 19
1 to 16
Pitch between diode bars (µm)
330 to few 1000s
Emitting area (mm²)
10 x (zz - 1)* pitch
QCW optical power per diode bar (W)
400
QCW optical power (W)
4800
7000
6800
Operating current (Amp.)
@ 100 W/bar95 A @ + 25°C
110 A @ + 75°COperating current (Amp.)
@ 200 W/bar185 A @ + 25°C
205 A @ + 75°COperating current (Amp.)
@ 300 W/bar275 A @ + 25°C
300 A @ + 75°COperating voltage (Volt)
2 V/bar
Total efficiency (%)
58 Typ. @ 25°C and 50 % @ 75°C
Wavelength (nm)
("n" = number of different λ)790 to 820
Wavelength variation with temperature (nm/°C)
0.26
Beam divergence (deg.) (FWHM)
8 x 36
Notes :
Standard Polarisation: TM or TE mode
Tolerance on wavelength is +/- 3 nm, +/- 1.5 nm upon request
Otherwavelength selections are available (9xx nm)
Specifications are for nominal lifetime > 1. 109 pulses @ 25°C and > 0.3 109 pulses @ +75°C (for 200 μs pulse width)
Absolute maximum ratings
Parameters QD-Q1yzz-B(n
QD-Q1yzz-BS(n)
QD-Q1yzz-G(n) Pulse width (µs)
500
Max. duty cycle (%)
4
Reverse voltage (Volt)
3
Operating temperature (°C)
-40 to 75
Storage temperature (°C)
-55 to 85
Note : Operation at temperature below dew point requests to use dry N2 environment.