PPKTP – Periodically poled potassium titanyl

• >SPDC, nth-HG, SFG, DFG frequency conversions, including 400->800 nm, 775->1550 nm or 1064->532 nm
• >Light squeezing or spectral narrowing
• >Optical parametric amplifiers, oscillators, generators for visible spectrum to mid-infrared with tunable output

3photon offers the following PPKTP crystals:

• >Standard aperture of 1×6 mm (W×H), with lengths up to 30 mm; custom apertures available upon request
• >Laser-grade surface processing: plano, wedged, or convex (ROC > 5 mm)
• >Poling periods greater than 2μm
• >Custom-designed ovens to maintain the crystal at optimal operating temperatures
• >Coating, polishing, and mounting services available upon request to ensure optimal performance

3photon standard IBS coatings examples:

S1/S2: AR(R<0.1%) @ 1064 + AR(R<0.5%) @ 532 nm, AOI = 0 deg

S1/S2: AR(R<0.35%) @ 1600 + 800 nm, AOI = 0 deg

S1/S2: AR(R<0.35%) @ 1550+775 nm, AOI = 0 deg

S1/S2: AR (R<0.5%) @ 760-800 + AR (R<0.5%) @ 1520-1600 nm, AOI = 0 deg

S1/S2: AR (R<1%) @ 1990 + AR (R<0.65%) @ 995 + 663 nm, AOI = 0 deg

• 3photon’s unique IBS (Ion Beam Sputtering) system enables high-precision coating of nonlinear crystals. This results in superior performance compared to e-beam coatings, while simultaneously enhancing the quality, effectiveness, laser damage threshold and reduces absorption around 3μm.
• LIDT conditions: Wavelength: 1064 nm; Pulse duration: 10 ns;1 – on – 1
  

  ID#, J/cm²	LID def.	LID max.
  KTP	59.7	101.3

• Custom coatings are also available upon request.