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Explore our SFG Crystal range

Want to learn more about our range? SFG (Sum Frequency Generation) crystals are available in a variety of wavelengths. Using our SFG crystals it is possible to achieve cascaded THG from a 1550-nm SHG crystal, or from a fixed 1550-nm laser and a tunable Ti:sapphire (or similar) laser for tunable green generation.

MSFG1-0.5

Aperture: 0.5 x 0.5 mm
Pump range: 775-840 nm and 1550 nm
SFG range: 516-544 nm

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MSFG578-0.5

Aperture: 0.5 x 0.5 mm
Pump range: 1280-1365 nm and 1030 nm
SFG range: 570-587 nm

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MSFG612-0.5

Aperture: 0.5 x 0.5 mm
Pump range: 1000-1025 nm and 1550 nm
SFG range: 608-617 nm

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MSFG626-0.5

Aperture: 0.5 x 0.5 mm
Pump range: 1550-1560 nm and 1051 nm
SFG range: 618-628 nm

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MSFG637-0.5

Aperture: 0.5 x 0.5 mm
Pump range: 1520-1590 nm and 1070 nm
SFG range: 628-640 nm

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MSFG647-0.5

Aperture: 0.5 x 0.5 mm
Pump range: 1085-1160 nm and 1550 nm
SFG range: 638-663 nm

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Key features of SFG Crystals

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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

Clip-mounted

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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Need Help?

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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