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QCW mini-stacked array

QCW diode bars & stacks

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QCW mini-stacked array

QD-Q1S09-D(n) and QD-Q1R12-D(n) are conductively cooled laser diode stacked arrays, designed to provide a high brightness and compact laser diode source. These stacks are designed to integrate reduced size diode bars allowing a square shaped emission with high optical power density.

  • High power density (500 to 1000 W QCW out of 3x3 mm² - 1200 to 2400 W QCW out of 5x5 mm²)
  • Highly compact design
  • Square emission area 
  • Wavelength: 795–830 nm, 880 nm et 9xx nm
  • Options for multi-color emission
  • Collimation on request
  • High operating temperature range
  • Collimation on request
  • Mechanically robust, shock and vibration resistant
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ParametersQD-Q1s09-D(n) QD-Q1r12-D(n)QD-Q1S09-D(n)QD-Q1R12-D(n)
Number of  mini-diode bars 
(pitch of 400 µm) (zz =)
9 12 9 12
Pitch between diode bars (µm) 330, 400 and 500
Mini-bar width (mm) 3 5 3 5
Emitting area (mm²) 3.2 x 3 4.4 x 5 3.2 x 3 4.4 x 5
QCW optical power (W) 500 1200 900 2000
Operating current (Amp.) 60 Typ.
(< 65)
95 Typ.
(< 115)
110 Typ.
(< 120)
170 Typ.
(< 190)
Operating voltage (Volt) 16 24 18 24
Total efficiency (%) 56 % @ 808 nm, 62 % @ 940/980 nm
Wavelength (nm)
("n" = number of different wavelengths)
790 to 980 (n = 1 to 4)
Wavelength variation with temperature (nm/°C) 0.26
Beam divergence (deg.) (FWHM) 8 x 36

Notes :

  • Standard polarisation: TM or TE mode @ 808 nm, TE @ 9xx nm
  • Spectral width (for single wavelength) is < 3 nm FWHM
  • Standard tolerance on wavelength is +/- 3 nm
  • Possibility of pitch between diode bars of 300 to 500 µm
  • Specifications are for nominal lifetime > 1. 109 pulses


Absolute maximum ratings

Parameters

QD-Q1s09-D(n)
QD-Q1S9-D(n)

QD-Q1r12-D(n)
QD-Q1R12-D(n)

Pulse width (µs) 500
Max. Duty cycle (%) 1.5 1
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.

QD-Q1S09-D(n) and QD-Q1R12-D(n) are conductively cooled laser diode stacked arrays, designed to provide a high brightness and compact laser diode source.

These stacks are designed to integrate reduced size diode bars allowing a square shaped emission with high optical power density:
• 9 mini-bars 3mm (emission area ~3 X 3 mm² )
• 12 mini-bars 5 mm (emission area ~5 X 5 mm²)

The heat-sink has been adapted for these mini-bars with a small footprint and qualified for stable operation over a large temperature range.
Mini options are available with mini-bars of different wavelengths (to broaden the optical spectrum) which are well adapted for operation under environmental conditions with non-stabilized temperatures. Other dimensions and bar lengths are available.

This compact stack is intended to be tightly packed in customer designed manifolds for efficient diode pumping of solid state lasers. Smaller pitches are also available (Typ. 300 µm).
 
This stack can be collimated starting with a pitch of 400 µm (Typ. 1°).

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  • For a period of one (1) year from the date of delivery as stated in Article 4 hereabove, the Vendor warrants the Products against faulty materials and faulty workmanship except parts and components worn out during the normal use of the Products. During the above mentioned period, the Vendor's obligations shall be limited, at the Vendor's option, to the replacement or repair of the Product recognized as faulty by the Vendor which must be promptly return to the Vendor, carriage paid, together with full details of failure and certified. The repaired or new parts will be delivered free of charge to the place of delivery stated in Article 4.
  • The Warranty of the Vendor will apply to the Products which have not been modified by the Buyer or a third party and which have been stored, installed, protected, maintained and used in accordance with the Vendor's specifications and instructions. Such warranty shall not apply in case of normal wear and tear or if the Products have been involved in an accident or subjected to any kind of misuse or detrimental exposure and in case of bad conditions of storage; or 
  • if the Products have been submitted to abnormal conditions (mechanical, electrical or thermal) during installation or use; or, 
  • if the defectiveness of the Products has resulted from exceeding the maximum values for usage (temperature limit, maximum voltage, etc...) defined by Vendor, from an incorrect choice of application or from a design made by the Buyer.
  • Notwithstanding the foregoing, Vendor gives no warranty whatsoever with regard to experimental, developmental or non-qualified Products.
    The foregoing constitutes the whole and sole warranty given by the Vendor and shall be in lieu of any other warranty; in particular, the Vendor does not warrant the suitability or fitness of the Products for a particular purpose, nor that the functions of the Products may be used in any application or combination which the Buyer may choose.