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LD heating light source (LD-HEATER)



LD heating light source (LD-HEATER) is a compact, highly functional spot heating light source that includes a fiber output LD module and its driver along with a processing point temperature monitor. The LD–HEATER proves ideal for various processing applications such as resin welding, soldering and thermal processing that require laser heating. Our product lineup offers 3 types of output: 30 W, 70 W and 200 W.

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  • High reliability
    Uses a long-life fiber output LD module specially designed for laser heating applications.
  • Advanced functions
    Equipped with various safety functions and internal temperature monitoring function to realize high repeatability and stable processing and measurement.
  • Energy saving and small footprint
    Eco-friendly energy-saving design and high efficiency. Tower design requires a small footprint.
  • High accuracy
    Laser unit is optimized according to the measured temperature at the processing point.
  • High repeatability
    Controls processing state while monitoring the processing point temperature data to ensure high processing reproducibility.


  • Plastic welding
  • Soldering
  • Brazing
  • Thermal processing


Model no. L10060-4xxxx L10060-5xxxx L10060-6xxxx
Oscillation mode CW
Oscillation wavelength (25 ℃) 940 nm *1)
Fiber length Approx. 5 m
Light condensing spot diameter φ0.8 mm to φ6.4 mm (depends on fiber core diameter and condensing magnification)
Measurement temperature range 200 ℃ to 600 ℃ / 500 ℃ to 1050 ℃
Measurement cycle 20 Hz, 50 Hz, 100 Hz, 200 Hz Switchable *2)
Cooling method Air cooling Water cooling
Dimensions (W × H × D) Approx. 240 mm × 540 mm × 540 mm (excluding front panel projecting parts and signal tower)
Weight Approx. 32 kg Approx. 33 kg *3)

*1) Other wavelengths are available as options. Contact us for further information.
*2) When measured using a blackbody furnace (spot diameter: 1.6 mm)
*3) Excluding cooler unit


Model no. Laser type Temperature monitor
L10060-41122 30 W 200 ℃ to 600 ℃
L10060-51122 75 W 200 ℃ to 600 ℃
L10060-51132 500 ℃ to 1050 ℃
L10060-61122 200 W 200 ℃ to 600 ℃
L10060-61132 500 ℃ to 1050 ℃

* Irradiation units, temperature monitors, and optical fibers with a different magnification, temperature range,
and core diameter other than the above lineup are also available as options, so consult us if needed.

Irradiation unit


Condensing magnification from left: 2x, 4x and 8x


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