Basic Properties

KDP

DKDP

Chemical Formula

KH 2 PO 4

KD 2 PO 4

Density

2.332g /cm 3

2.335g /cm 3

Cell parameter

a ＝ b ＝ 7.453 ? c ＝ 6.293 ?

a ＝ b ＝ 7.453 ? c ＝ 6.293 ?

Curie point

123k

222k

Transparency Range

178 — 1580nm

200 — 2150nm

Nonlinear Coefficient

d36 ＝ 0.44pm/v

d36 ＝ 0.40pm/v

Refractive index (at 1064)

n o ＝ 1.4938 n e ＝ 1.4599

n o ＝ 1.4948 n e ＝ 1.4554

Electro-optical coefficients

r41 ＝ 8.8pm/v r63 ＝ 0.3pm/v

r41 ＝ 8.8pm/v r63 ＝ 25pm/v

Longitudinal half-wave Voltage

V π ＝ 7.65KV( λ＝ 546nm)

V π ＝ 2.98KV( λ＝ 546nm)

Absorptance

0.03/cm

0.005/cm

Optical damage threshold

＞ 5GW/cm 2

＞ 3GW/cm 2

warranty:

Strict qulity control
Unbeatable preice and quantity discount
Quick delivery
Free technical support

Specifications:

Dimension tolerance(mm)

(W ± 0.1mm )*(H ± 0.1mm )*(L ± 0.1mm )

Flatness@633nm

λ /8

Scratch/dig code

10/5

Angle tolerance

<10 arc minutes

Parallelism

<20 arc seconds

Perpendicularity

<10 arc minutes

Clear aperture

>90%

DKDP Pockel ′ s Cell

The device of longitudinal Pockels cell using crystal of 98% deuterated KDP is normally used for Q-switch of laser radiation .These Pockels cells are manufactured from the crystals that have been specially selected for their low optical loss and strain free property. The crystal is in the form of a cylinder and two silver ring electrodes are used to produce the longitudinal electric field.

Specifications:

Quarter-Wave Voltage

above 3.7KV@1064nm

Useful Aperture

10mm

Transmission

＞ 96%@1064nm

Extinction Ratio

above 2000:1

AR-Coating

@1064nm

Transmitting Wavefront Distortion

< λ /4@633nm

Optical Damage threshold

＞ 700MW/cm2

Dimension

φ (35~39) × 55mm

Note:

The center can provide KDP and DKDP with :

Strict quality control on optical homogeneity, transmission and scattering.
Technical information and specific designs for KDP and DKDP crystal for our sales engineers and the scientists in our R δ D center .