L13920-511LD Irradiation Light Source (SPOLD)

LD Irradiation Light Source

Catalog [1 MB/PDF]

The SPOLD is a laser irradiation light source integrating a fiber output LD module and its driver and a Peltier cooler into a compact unit. Selectable irradiation unit enables laser irradiation with specific right condensed light spot diameter and beam profile.


Lightweight & compact

Integrates the LD, drive circuit, and cooling mechanism

Air cooling

Easy handling with peltier (thermoelectric) cooling

External control available

Various kinds of alarm output available

Various types of irradiation units provided

Focus/colimating optics, uniform irradiation etc.

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  • Soldering
  • Plastic welding
  • Glass sealing
  • Adhesive thermal curing
  • Infrared illumination, etc.

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LD irradiation
light source
main unit
Model no. L13920-411 L13920-421 L13920-521 L13920-522
Oscillation mode CW
Output end of irradiation unit
(with maximum current setting)
27 W(min.) 67.5 W(min.) 54 W(min.)
Peak oscillation wavelength(25 ℃) 940 nm 808 nm 940 nm 808 nm
Cooling method Air cooling
Dimensions(W × H × D) Approx. 360 mm × 150 mm × 360 mm (excluding projecting parts)
Weight Approx. 15 kg
Laser transmitting
optical fiber
Model no. A11612 series
Fiber length Approx. 5 m
Irradiation unit Model no. A12803 series
Light condensing diameter *1)
φ0.4 mm ~ φ6.4 mm
(Depends on fiber core diameter and condensing magnificatio)
*1) You can choose a suitable laser transmitting optical fiber and an irradiation unit to match your application. Please consult us for details.

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Irradiation unit

Irradiation unit  A12803 series

* Various types of different magnification and size are available. Please contact us for details.

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