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MDFG4: 885-1210nm + 1550nm

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Our Standard Crystals:

MDFG1MDFG2MDFG3MDFG4

MDFG4: 885-1210nm + 1550nm

MDFG4: 885-1210nm + 1550nm

The MDFG4 is designed for Difference Frequency Generation (DFG) from a 1550nm laser and a tunable 885-1210nm source, for mid-IR generation in the 2-5.5μm range.

Please note:

  • These gratings do not allow phase matching in this regime: 31.35, 32.33, 33.37, 34.48, 35.67, 36.95μm.
  • For lengths 1, 2 and 3mm, the shortest two periods (24.06, 24.63um) cannot be accessed when mounted.
  • Multi-band AR coated
  • Flatness <λ/[email protected]
  • 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

THIS PRODUCT IS AVAILABLE IN ONE APERTURE SIZE: 0.5mm.

0.5mm Aperture

Datasheet CSV Data

Please select your desired part and enter the quantity you require and then click the add to quote button.
If you have any enquiries about any of our products please do not hesitate to contact us.

Part # Pump (nm) Output (nm) Periods (µm) Tuning
range (°C)		 Length (mm) Aperture (mm²) Add to Quote
MDFG4-0.5-1 885-1210 & 1550 2063-3673 24.06, 24.63, 25.23, 25.86, 26.53, 27.22, 27.96, 28.74, 29.56, 30.43, 31.35, 32.33, 33.37, 34.48, 35.67, 36.95 30-200 1 0.5x0.5
Qty:
MDFG4-0.5-2 885-1210 & 1550 2063-3673 24.06, 24.63, 25.23, 25.86, 26.53, 27.22, 27.96, 28.74, 29.56, 30.43, 31.35, 32.33, 33.37, 34.48, 35.67, 36.95 30-200 2 0.5x0.5
Qty:
MDFG4-0.5-3 885-1210 & 1550 2063-3673 24.06, 24.63, 25.23, 25.86, 26.53, 27.22, 27.96, 28.74, 29.56, 30.43, 31.35, 32.33, 33.37, 34.48, 35.67, 36.95 30-200 3 0.5x0.5
Qty:
MDFG4-0.5-10 885-1210 & 1550 2063-3673 24.06, 24.63, 25.23, 25.86, 26.53, 27.22, 27.96, 28.74, 29.56, 30.43, 31.35, 32.33, 33.37, 34.48, 35.67, 36.95 30-200 10 0.5x0.5
Qty:
MDFG4-0.5-20 885-1210 & 1550 2063-3673 24.06, 24.63, 25.23, 25.86, 26.53, 27.22, 27.96, 28.74, 29.56, 30.43, 31.35, 32.33, 33.37, 34.48, 35.67, 36.95 30-200 20 0.5x0.5
Qty:
MDFG4-0.5-40 885-1210 & 1550 2063-3673 24.06, 24.63, 25.23, 25.86, 26.53, 27.22, 27.96, 28.74, 29.56, 30.43, 31.35, 32.33, 33.37, 34.48, 35.67, 36.95 30-200 40 0.5x0.5
Qty:
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PHASE MATCHING CURVE FOR MDFG4-0.5-XX

PHASE MATCHING CURVE FOR MDFG4-0.5-XX

Please note these are calculated tuning curves only and actual values may vary.

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All of our crystals are supplied clip-mounted, ready for use in our ovens and controller.

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

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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