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One-Dimensional Acousto-Optic Q-Switches

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One-Dimensional Acousto-Optic Q-Switches
One-Dimensional Acousto-Optic Q-Switches
One-Dimensional Acousto-Optic Q-Switches
1.1
C47
C48
  • One-Dimensional Acousto-Optic Q-Switches

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Product description:

Acousto-optic Q-switch (AOQS) is a modulator designed for  laser Q-switching applications. When applying the RF signal, the losses of cavity increases and the oscillation is hindered. When the RF signal is switched off, the losses of cavity decrease rapidly and then high-energy pulsed laser light is generated.

CASTECH provides a variety of A-O Q-switches work at wavelength range of 310 nm-3000 nm. Our products have the advantages of high transmission (up to 99.6%), high switching speed, strong switching off ability, high damage threshold and excellent pulse stability.

To obtain higher diffraction efficiency, it requires larger aperture acousto-optic Q-switch and higher RF power, therefore water cooling is needed to ensure the heat dissipation.

 

Applications:

● Laser marking

● Lithography

● Material processing

● Medical surgery

 

Schematic diagram of acousto-optic Q-switch


 

Q-Switches Model Number:CAQS-f-a-mt-w-c-h

RF Frequency

(f)

Aperture

(a)

Material

(m)

Mode

(t)

Wavelength

(w)

RF Connector

(c)

Housing

(h)

024

(24 MHz)

027

(27.12 MHz)

041

(40.68 MHz)

068

(68 MHz)

080

(80 MHz)

...

005

(0.5 mm)

010

(1 mm)

020

(2 mm)

030

(3 mm)

040

(4 mm)

050

(5 mm)

060

(6 mm)

...

FS

(Fused Silica)

CQ

(Crystalline Quartz)

C

(Compressional)

310 nm

1030 nm

1064 nm

1342 nm

1550 nm

3000 nm

AF

(SMA-F)

AM

(SMA-M)

NF

(BNC-F)

NM

(BNC-M)

MF

(MMCX-F)

MM

(MMCX-M)

LXX

(Low volatile series)

AXX

(Conventional packaging series)

...

 

 

Typical Specifications*

Frequency

Active Aperture

Wavelength

Transmittance

Modulation Losses

27.12 MHz

1~6 mm

1064 nm

≥ 99.6%

≥ 80%

40.68 MHz

0.5~2 mm

1064 nm

≥ 99.6%

≥ 85%

68 MHz

0.5~3 mm

1064 nm

≥ 99.6%

≥ 85%

80 MHz

0.5~3 mm

1342 nm

≥ 99%

≥ 85%

*Damage Threshold: 1GW/cm² @ 1064 nm, 10 ns,10Hz

 

 

Housing dimensions(mm):

   

 

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