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Q-Switch Pockels Cell Driver

We have many years of experience in the production of Q-Switch Pockels Cell Driver. Coupletech provides Pockels Cell driver PCD02 with compact design for Q-switches and Pockels Cell Modulator application, and it has mini size with 60*35*16mm. The input signal is +10-15VDC, and its output voltage is from 1000 to 4200V. The rising time and falling time is 10 ns, Output pulse width is 5 us, the repetition rate is from 0 to 2KHz.

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Product Description

Q-Switch Pockels Cell Driver

APPLICATION

Generation of high voltage pulses for

the control of electro-optical

Q-switches (Pockels cells) in a

solid-state laser.

Fast HV (less than 10 ns) edge ensures excellent pre-and post-pulse contrast.

Features

●Fast HV rise/fall time:<10 ns

●HV pulse amplitude:up to4.0 kV

●Pulse repetition rate: up to1000Hz

●Jitter, System Input to Output:<1.8ns

● TTL (CMOS) input signal required (3.3/5V, opto-isolated)

● Built-inHigh-Voltage source

● HV Voltage Control: “HV PROGRAM” potentiometer OR analog input.

SPECIFICATIONS

HVpulse amplitude	1.0～4.0	kV
Rise /Falltime	≤10	ns	Loadcapacitance:10PF
HV pulse jitter	≤1.8	ns
Recovery time	≤50	µs
Voltage supply	12	VDC	12±0.5 V, <150 mA
HV pulse repetition rate	0～1000	Hz
External triggering pulse amplitude requirement	3.3–5 V	V	opto-isolated
HV pulse delay	70~90	ns
Dimensions	603516	mm
Operating temperature	-30～60	℃

Outline drawing of PCD02

PIN	DESIGNATION	DESCRIPTION
1	SG-	Step from “0” or ”1” on PIN11 PIN12 forms QSwitched pulse on Pockels Cell
2	SG+
3	GND	Return from power supply
4	+12V	Input Power Supply
5	FB	HV Voltage Control: “HV PROGRAM” potentiometer OR analog input
6	GND
7	EN-	The high voltage output is enabled by PIN7PIN8 (“1” –disable, “0” –enable)
8	EN+
9	GND	Q-switch electrode：GND
10	HVPULSE	Q-switch electrode：HV PULSE OUTPUT

● “0” means logical 0 low level (0V), “1” means logical 1 high level (3.3/5V)

● “NC”means No Connection

ELECTRIC BLOCK-DIAGRAM

Typical output：

Oscillogram ofPCD02 driver operation

Fast edge of HV pulse in detail（fall time：8.9ns@4000V）

Demo Board of PCD02:

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