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ColdRay Lasers

A compact thermoelectrically cooled diode laser providing excellent wavelength and power stability for applications that demand consistency.

  • Coherent’s line of Lasiris structured light ColdRay projectors offers long laser lifetime and excellent wavelength, power and pointing stabilities.
  • The laser’s thermoelectric system maintains a constant laser diode temperature, allowing the use of these lasers in applications demanding consistency.
  • 375 nm, 405 nm, 445 nm, 473 nm, 640 nm, 660 nm
  • Excellent wavelength and power stability
  • Excellent pointing stability
  • Compatible with standard 1D and 2D flat top projector
  • Extended lifetime
  • Analog and digital modulation
  • Circular models available
  • Focusable



Machine Vision
Life Sciences
3D Contour Mapping
3D Proofing and Mapping
Automotive Alignment
Confocal Microscopy
Flow Cytometry
Food Inspection
Industrial Inspection
positioning & visualization

Features & Benefits

To order, use the following code: MODEL-(Fast/Slow axis)(Pattern)-(Interbeam Angle)-(Wavelength)(Electronic Option)- Power-Fan Angle-Custom Options. E.g., CR-501L-405S-60-20. Call us or visit our website for available optical patterns such as Flat-Top and diffractive optics.

Wavelength (nm) 375 405 445 473 640 660
Diode Power (mW) 20 5, 10, 20, 30, 40, 60, 80, 105, 120 50 20 5, 10, 35, 80 35, 50, 100, 150
Electronics Option S, T, RS, RT

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Risk factors: Except for the historical information contained here, many of the matters discussed in this Web site are forward-looking statements, based on expectations at the time they were made, that involve risks and uncertainties that could cause our results to differ materially from those expressed or implied by such statements. These risks are detailed in the “Factors That May Affect Future Results” section of our latest 10-K or 10-Q filing. Coherent assumes no obligation to update these forward-looking statements.

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