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Standard Products

Part No.	Description	In stock
KTA5100- SHG1320(II)-AR	KTA crystal with the size 5x5x10mm for Type II SHG of 1320nm, both faces AR@1320/660nm	Email/Call
KTA4200-OPO1650(II)-AR	KTA crystal with the size 4x4x20mm for CPM OPO/A to generate 1650nm, both faces AR@1064/1650nm	Email/Call
KTA4200-OPO3000(II)-AR	KTA crystal with the size 4x4x20mm for CPM OPO/A to generate 3000nm, both faces AR@1064/3000nm	Email/Call
KTA7200-OPO1535(II)-AR	KTA crystal with the size 7x7x20mm for NCPM OPO/A to generate 1535nm, both faces AR@1064/1535nm	Email/Call
KTA7200-OPO3480(II)-AR	KTA crystal with the size 7x7x20mm for NCPM OPO/A to generate 3000-4000nm, both faces AR@1064/3480nm	Email/Call
KTA5010-OPA(II)	KTA crystal with the size 5x5x1.0mm for femtosecond OPA pumped by 800nm, both faces AR@800nm (-AR) or uncoated (-UC)	Email/Call
KTA5020-OPA(II)	KTA crystal with the size 5x5x2.0mm for femtosecond OPA pumped by 800nm, both faces AR@800nm (-AR) or uncoated (-UC)	Email/Call

Specifications for finished KTA

Wavefront distortion: less than λ/6 @ 633 nm

Dimension tolerance: (W +/- 0.1 mm) x (H +/- 0.1 mm) x (L + 0.2 mm/-0.1mm)

Clear aperture: > 90% central area

Flatness: λ/8 @ 633 nm

Surface Quality: Scratch/dig 20/10 per MIL-O-13830A

Parallelism: better than 20 arc seconds

Perpendicularity: 5 arc minutes

Angle tolerance: Δθ < +/-0.25o, Δφ < +/-0.25o

Coatings:

Standard coatings are dual band anti-reflection (DBAR) coatings at 1064nm/1535 nm, 1064/3480nm, 1064/1650nm, 1064/3000nm, or 1320nm/660nm. Coatings for other specific applications are available upon request.

Mount:

For customer convenience and protection of crystals, crystals with T≤ 3.0mm are mounted in a 1" anodized aluminum holder.

Thicker crystals are typically unmounted.