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Explore our DFG Crystal range

Want to learn more about our range? DFG (Difference Frequency Generation) crystals are available in a variety of wavelengths.


Aperture: 0.5 x 0.5 mm
Pump range: 737-786 nm and 1064 nm
DFG range: 2393-3008 nm

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Aperture: 0.5 x 0.5 mm
Pump range: 775-869 nm and 1064 nm
DFG range: 2854-4741 nm

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Aperture: 1.0 x 1.0 mm
Pump range: 1480-2128 nm and 1064 nm
DFG range: 2128-3785 nm

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Aperture: 0.5 x 0.5 mm
Pump range: 885-1210 nm and 1550 nm
DFG range: 2063-3673 nm

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Key features of DFG Crystals

The output wavelength can be tuned with each PPLN grating by adjusting the input laser wavelength and varying the PPLN temperature.

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  • Multi-band AR coated
  • Flatness <λ/4@633nm
  • Parallel to ±5 minutes
  • Better than 70:30 mark-to-space ratio
  • Polished to 20-10 scratch dig
  • Fewer than two 100μm edge chips per facet


All stock crystals come ready clip-mounted for seamless and straightforward integration into our crystal ovens.

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1-week Delivery

All stock items are delivered within one week. For out of stock items, please contact us for expected lead times.

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If you cannot find a stock item that matches your requirements, you can use our online calculator or submit an enquiry.

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