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KD*P Pockels Cells
KD*P Pockels Cells
KD*P Pockels Cells
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QQ截图20210406144856
QQ截图20210406144851
  • KD*P Pockels Cells

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Product description:

The KD*P Pockels cell is a laser modulation component based on the electro-optic effect of the DKDP crystal.The products can be divided into transverse electro-optical effect series and longitudinal electro-optical effect series.

The products of the transverse electro-optical effect series utilize the transverse electro-optical effect of DKDP crystals when the light propagation direction is perpendicular to the electric field. By controlling the number and size of the crystals, the working voltage is effectively reduced to hundreds volt level, and the repetition frequency can reach up to 1 MHz.

The longitudinal electro-optical effect series products utilize the longitudinal electro-optical effect of the DKDP crystal when the propagation direction of light is parallel to the electric field. Castech's longitudinal KD*P Pockels cell has excellent optical uniformity, high extinction ratio, and high transmittance.

CASTECH can provide a series of products with BNC connectors, as well as accessories such as polarizers, wave plates and ceramic plates, to facilitate impedance matching.

 

Applications:

● Q-switching    ● Regenerative amplifier    ● Pulse picker    ● Cavity dumping

● Beam chopper    ● High speed optical switch    ● Optical power stabilizer

 

 

Typical modulation waveform of transverse electrode configuration

 

 

      

 

 

Longitudinal Electro-Optical Type Model Number:DPC-taq-c-b-w

Type(t)

Clear

Aperture(a)

Type(q)

Cascade Type(c)

Optional Accessories(b)

Wavelength(w)

L

(Longitudinal

Electrode

Configuration)

6(6 mm)

7(7 mm)

8(8 mm)

10(10 mm)

12(12 mm)

15(15 mm)

...

S

(Single)

D

(Double)

...

P

(Pin)

W

(Wire)

...

C (Ceramic)

W (Wave plate)

B (Brewster window)

A (Brewster window) & Wave plate)

N (None)

...

355 nm

532 nm

1030 nm

1064 nm

...

 

 

Transverse Electro-Optical Type Model Number:DPt-alq-b-w

Type(t)

Clear

Aperture(a)

Crystal Length(l)

Cascade Type(q)

Optional Accessories(b)

Wavelength(w)

T

(Low Repetition Frequency)

H

(High Repetition Frequency)

3(3 mm)

4(4 mm)

5(5 mm)

6(6 mm)

7(7 mm)

8(8 mm)

10(10 mm)

...

A

(20 mm)

B

(25 mm)

C

(40 mm)

...

D

(Double)

Q

(Four)

...

W (Wave plate)

B (Polarizer)

A (Brewster window) & Wave plate)

N (None)

...

355 nm

405 nm

532 nm

1030 nm

1064 nm

...

 

  Typical Specifications*

Type

Clear

Aperture

Voltage Contrast Ratio @1064 nm

Rise/Fall Time

Cascade Type

Transmission @1064 nm

Longitudinal

6~15 mm

≥1000:1

<20 ns

Single

≥98.5%

Transverse

3~10 mm

≥500:1

<20 ns

Double

≥98%

*Damage threshold: 10 J/cm² @ 1064 nm, 10 ns

 

 

Housing dimensions(mm):

 Type L

Type T

Type H

 

L8S

L10S

L12S

L15S

3BD(H)

5BD(H)

10AD(T)

A

8

10

12

15

3

5

10

B

28

39

44

44

70

66

60

C

19

25.4

25.4

30

40

50

40

D

10

12

15

15

22

24

22

 λ/4 voltage 

@ 1064 nm

3.5kV

3.5kV

3.5kV

3.5kV

0.6kV

1.0kV

2.1kV

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