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Sales engineer
Arminas Butkus +370 5 219 4884
KDP, DKDP crystals
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KDP, DKDP crystals

Main features

 

  • High damage threshold
  • Excellent ultraviolet radiation transmission (down to 160 nm)
  • High birefringence

 

Application examples

 

  • Second, third and fourth harmonic of Nd:YAG laser
  • Electro-optical modulators and Pockels cells
Request custom
  • Description
  • Specifications

Potassium Dihydrogen Phosphate (KDP) and Potassium Dideuterium Phosphate (DKDP) found their application as nonlinear frequency converters of Nd-doped lasers, especially in the ultraviolet region, because of their excellent ultraviolet transmission, thus nonlinear coefficient is relatively low.  Another niche for these crystals are electro-optical application such as electro-optical modulators and Pockels cells. Main drawback is that these crystals are highly hygroscopic.

KDP and DKDP crystals
Orientation accuracy <30 arcmin
Clear aperture >90%
Face dimensions tolerance +0/-0,1 mm
Length tolerance ±0,1 mm
Parallelism error <20 arcsec
Perpendicularity error <5 arcmin
Protective chamfers <0,1 mm at 45°
Surface quality 20-10 S-D
Surface flatness <λ/[email protected],8 nm
Laser induced damage threshold >10 J/cm2@1064 nm, 10 ns for KDP crystals 
>5 J/cm2@1064 nm, 10 ns for DKDP
Mount It depends on the crystal length
Order your item
Material Face dimensions Length Theta Phi Coating Application SKU price quantity
DKDP
15x15 mm
20 mm
36,5°
45°
AR/[email protected]+532 nm
[email protected] nm, type I
7674
Request
DKDP
10x10 mm
15 mm
36,5°
45°
AR/[email protected]+532 nm
[email protected] nm, type I
7675
Request
DKDP
15x15 mm
20 mm
53,5°
AR/[email protected]+532 nm
[email protected] nm, type II
7676
Request
DKDP
10x10 mm
15 mm
53,5°
AR/[email protected]+532 nm
[email protected] nm, type II
7677
Request
KDP
10x10 mm
6 mm
76,5°
45°
AR/[email protected]+266 nm
[email protected] nm, type I
7678
Request
KDP
12x12 mm
8 mm
76,5°
45°
AR/[email protected]+266 nm
[email protected] nm, type I
7679
Request
KDP
15x15 mm
10 mm
76,5°
45°
AR/[email protected]+266 nm
[email protected] nm, type I
7680
Request
KDP
10x10 mm
15 mm
76,5°
45°
AR/[email protected]+266 nm
[email protected] nm, type I
7681
Request
DKDP
15x15 mm
20 mm
59,5°
AR/[email protected]+532/355 nm
[email protected] nm, type II
7682
Request
DKDP
10x10 mm
15 mm
59,5°
AR/[email protected]+532/355 nm
[email protected] nm, type II
7683
Request