CW Pumping Source P720

CW Pumping Source P720

This compact laser pumping source consists of three water-cooled diode laser bar stacks, arranged radially around a central cavity suitable for accommodating a crystal laser rod as Nd:YAG. It delivers excellent gain uniformity and lensing performance. The rod pumped length of 46 mm is much shorter than other similar products existing in the market. This is advantageous for regenerative amplifiers, since higher energy is available before self-focusing appears. The pumping laser diodes are mounted using our solder-free Clamping™ technology.

CW Pumping Source P720

monocrom-pumping-source-720-new

Technical specifications

Pumping
Minimum Operation Max. rating
Pumping wavelength (@ Iop) [nm] 804 806 808
Pumping bandwidth [nm] 2 4
Wavelength difference between bars [nm] 1,5
Wavelength vs. temperature [nm/K] 0,27 0,28
Pumping power [W] 700 720 740
Threshold current [A] 7 10 12
Operating current [A] 58 60
Voltage before cables [Vdc] 19 22 24
Active Medium
Nd:YAG doping(1) 0,4 0,6 1,1
Emission wavelength [nm] 1064
Output power [W] 180 220 250
Active medium rod size1 (ØxL) [mm] 5×87
Beam diameter without aperture [mm] 5
Mechanics
Recommended coolant Deionized water +5% ethyleneglycol
Coolant flow rate [L/min] 3
Coolant input pressure [bar] 2 3
Coolant temperature(2) [°C] Non-condensing 25 30
Water connections Water flow outlet for Ø8mm tube
Electrical connections Thread M6
Expected lifetime 104 hours
Dimensions 105 x 91,7 x 92,7
Weight [g] 1200 4
Laser class product (EN-60825)

Typical value in the beginning of life performance at 25º C

  1. Other active media on request.
  2. The optimum water temperature depends on the operation current and water flow. It is recommended to measure the wavelength of the diode by using a spectrometer, so that water temperature is changed to achieve 808 nm for optimum pumping.

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Level of integration

Possible levels of integration for this product are marked in red

LI1
monocrom-level-integration-1-gr
DIRECT DIODE
LI2
LI2
DIRECT DIODE

MICRO-OPTICS

LI3
Level-of-integration-3
SUB-ASSEMBLIES

MICRO-OPTICS

HOUSING

PRISM

CRISTALS

LI4
Level-of-integration-4
LASER SYSTEMS

MICRO-OPTICS

HOUSING

PRISM

CRISTALS

ELECTRONIC COMPONENTS

FIBER OUTPUT

We provide our laser solutions with different level of integration, from direct beam to complex systems

Applications

Optical
Pumping

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