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Acousto-optic Q-switch (AOQS)

Acousto-optic Q-switch

High-peak-power short-pulse laser intracavity devices

Acousto-optic Q-switch (AOQS) works within the laser cavity to generate short-pulses, and high-peak-power lasers by actively controlling the Q-factor of the cavity. AOQS is usually used to modulate the loss of zero-order beams. When the RF drive of AOQS is turned on, the zero-order light cannot form an oscillation of laser in the cavity due to diffraction, and the cavity loss increases and prevents laser output. When the RF drive is turned off for a short time, the optical power accumulated in the laser cavity is emitted in the form of a pulse to generate a pulsed laser. The process can be repeated at rates in excess of 100KHz. AOQS can operate either in the Bragg state, like AOM (Acousto-optic modulator) with a single diffracting beam, or in the Raman-Nath state with multiple diffracting beams.


SIMTRUM offers a complete solution oriented to polarized (layout) or non-polarized lasers and can be adapted to include lamp-pumped lasers as well as LD-pumped lasers. Our AOQS product wavelength range from ultraviolet to far infrared, a diameter of up to 12 mm. AOQS selects AO materials with excellent quality (fused quartz, quartz crystal, Ge crystal, etc.), which can be designed into shear and longitudinal wave mode according to to needs. High-quality optical polishing, anti-reflective coatings with low reflection and high damage, reliable welding techniques, and novel acoustic management and optical-mechanical design techniques enable excellent thermal management, maintaining excellent beam quality and high transmittance.


SIMTRUM can provide AOQS-matched series of RF drivers, you can choose the corresponding RF driver according to the product specifications.




Principle of Operation


Applications 

Lamp pump and end pump DPSS laser

Laser marking

Lithography




- Material processing

- Surgery

- Micromachining






Product specifications and Brochures

Product Brochure Link:  


General Specifications
Interaction MaterialFused Silica / Crystalline Quartz / Germanium
Acoustic ModeLongitudinal
Operating Wavelength1064 nm ~10.6 um
PolarizationLinear, perpendicular to base
Transmission> 99.6%
Active Aperture1.0 ~ 11.6 mm
Center Frequency (Fc)27.12 ~ 80 MHz
Loss Modulation>70% ~ 85%
RF Power25 ~ 50 W (Max)
Input Impedance50Ω Nominal
VSWR @Fc< 1.2:1
RF ConnectorSMA-F / BNC-F
CoolingConduction-cooled / Water-cooled
Shell MaterialAluminum alloy 6063


Ordering Information



Product CodeWavelengthActive ApertureCenter FrequencyLoss ModulationOptical MaterialCooling
STQ0015-FL027-040-10641064 nm4.0 mm27.12 MHz> 85%Fused SilicaWater-cooling
STQ0003-FL027-060-10641064 nm6.0 mm27.12 MHz> 85%Fused SilicaWater-cooling
STQ0016-FL041-050-10641064 nm5.0 mm40.68 MHz> 85%Fused SilicaWater-cooling
STQ0005-QL041-015-10641064 nm1.5 mm40.68 MHz> 85%Crystal quartzConduction-cooled
STQ0007-QL068-030-10641064 nm3.0 mm68 MHz> 85%Crystal quartzConduction-cooled
STQ0008-QL080-010-10641064 nm1.0 mm80 MHz> 85%Crystal quartzConduction-cooled
STQ0001-QL080-015-10641064 nm1.5 mm80 MHz> 85%Crystal quartzConduction-cooled
STQ0009-QL080-020-10641064 nm2.0 mm80 MHz> 85%Crystal quartzConduction-cooled
STQ0010-QL080-010-13421342 nm1.0 mm80 MHz> 85%Crystal quartzConduction-cooled
STQ0006-QL041-015-15351532 nm1.5 mm40.68 MHz>80%Crystal quartzConduction-cooled
STQ0011-QL080-010-15501550 nm1.0 mm80 MHz> 85%Crystal quartzConduction-cooled
STQ0012-QL041-040-20001900- 2100 nm4.0 mm40.68 MHz> 70%Crystal quartzConduction-cooled
STQ0013-QL041-116-1060010.6 um11.6 mm40.68 MHz> 80%GermaniumWater-cooling



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Compare Model Drawings & Specs Availability Reference Price
(USD)
STQ0015-FL027-040-1064
Q-Switches, wavelength 1064nm, active aperture 4.0mm, center frequency 27.12MHz, loss modulation >85%, Fused Silica, water-cooled, provide AOM-matched RF driver
4-6 Weeks Request for quote
STQ0003-FL027-060-1064
Q-Switches, wavelength 1064nm, active aperture 6.0mm, center frequency 27.12MHz, loss modulation >85%, Fused Silica, water-cooled, provide AOM-matched RF driver
4-6 Weeks Request for quote
STQ0016-FL041-050-1064
Q-Switches, wavelength 1064nm, active aperture 5.0mm, center frequency 40.68MHz, loss modulation >85%, Fused Silica, water-cooled, provide AOM-matched RF driver
4-6 Weeks Request for quote
STQ0005-QL041-015-1064
Q-Switches, wavelength 1064nm, active aperture 1.5mm, center frequency 40.68MHz, loss modulation >85%, Crystal quartz, conduction-cooled, provide AOM-matched RF driver
4-6 Weeks Request for quote
STQ0007-QL068-030-1064
Q-Switches, wavelength 1064nm, active aperture 3.0mm, center frequency 68MHz, loss modulation >85%, Crystal quartz, conduction-cooled, provide AOM-matched RF driver
4-6 Weeks Request for quote
STQ0001-QL080-015-1064
Q-Switches, wavelength 1064nm, active aperture 1.5mm, center frequency 80MHz, loss modulation >85%, Crystal quartz, conduction-cooled, provide AOM-matched RF driver
4-6 Weeks Request for quote
STQ0009-QL080-020-1064
Q-Switches, wavelength 1064nm, active aperture 2.0mm, center frequency 80MHz, loss modulation >85%, Crystal quartz, conduction-cooled, provide AOM-matched RF driver
4-6 Weeks Request for quote
STQ0010-QL080-010-1342
Q-Switches, wavelength 1342nm, active aperture 1.0mm, center frequency 80MHz, loss modulation >85%, Crystal quartz, conduction-cooled, provide AOM-matched RF driver
4-6 Weeks Request for quote
STQ0006-QL041-015-1535
Q-Switches, wavelength 1532nm, active aperture 1.5mm, center frequency 40.68MHz, loss modulation >80%, Crystal quartz, conduction-cooled, provide AOM-matched RF driver
4-6 Weeks Request for quote
STQ0011-QL080-010-1550
Q-Switches, wavelength 1550nm, active aperture 1.0mm, center frequency 80MHz, loss modulation >85%, Crystal quartz, conduction-cooled, provide AOM-matched RF driver
4-6 Weeks Request for quote
STQ0012-QL041-040-2000
Q-Switches, wavelength 1900-2100nm, active aperture 4.0mm, center frequency 40.68MHz, loss modulation >70%, Crystal quartz, conduction-cooled, provide AOM-matched RF driver
4-6 Weeks Request for quote
STQ0013-QL041-116-10600
Q-Switches, wavelength 10.6um, active aperture 11.6mm, center frequency 40.68MHz, loss modulation >80%, Gemanium, water-cooled, provide AOM-matched RF driver
4-6 Weeks Request for quote

STQ0013-QL041-116-10600 - Parameter

STQ0012-QL041-040-2000 - Parameter

STQ0011-QL080-010-1550 - Parameter

STQ0006-QL041-015-1535 - Parameter

STQ0010-QL080-010-1342 - Parameter

STQ0009-QL080-020-1064 - Parameter

STQ0001-QL080-015-1064 - Parameter

STQ0007-QL068-030-1064 - Parameter

STQ0005-QL041-015-1064 - Parameter

STQ0016-FL041-050-1064 - Parameter

STQ0003-FL027-060-1064 - Parameter

STQ0015-FL027-040-1064  - Parameter

STQ0013-QL041-116-10600 - Download

STQ0012-QL041-040-2000 - Download

STQ0011-QL080-010-1550 - Download

STQ0006-QL041-015-1535 - Download

STQ0010-QL080-010-1342 - Download

STQ0009-QL080-020-1064 - Download

STQ0001-QL080-015-1064 - Download

STQ0007-QL068-030-1064 - Download

STQ0005-QL041-015-1064 - Download

STQ0016-FL041-050-1064 - Download

STQ0003-FL027-060-1064 - Download

STQ0015-FL027-040-1064  - Download

Accessories

Compare Model Drawings & Specs Availability Reference Price
(USD)