Low Resolution Deflectors & Variable Frequency Shifters

These AO devices have been optimized for a broader frequency range and permits either to have a variable frequency shifter or a low resolution but fast deflector.

Low Resolution Deflectors

An Acousto-optic deflector provides a spatial deflection of the diffracted order by varying the applied RF frequency. The Low-resolution version uses the Longitudinal mode configuration and provide faster scanning within smaller angles. The two key parameters to be considered latter is the number of distinct directions (Resolution) which can be addressed by the deflector and the Scan Angle.

Variable Frequency Shifters

The Acousto-optic interaction inherently introduces a frequency shift in the diffracted order. The amount of the frequency shift equals to the injected carrier frequency and it can be upshifted or downshifted depending on the selected input Bragg angle. A Variable Frequency Shifter is an Acousto-optic device whose carrier frequency has been adapted over a frequency range, hence providing variable frequency shifts. A Low Resolution Deflector shares the same properties as a Variable Frequency Shifter.

Our models of Low Resolution Deflectors & Variable Frequency Shifters

Wavelength range
Center Frequency (MHz)
Resolution TDF
Scan angle (mrad/mrad²)
Frequency range
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Model
Wavelength (nm)
Center Frequency (MHz)
Frequency range
Resolution TDF
Scan angle
Add to quote
400-650
250+/-50
100
47
12.6
Material
TeO2
Aperture/mm²
0
5 x 2
Polarisation
Linear/random
Diffraction Efficiency
60
Associated RF driver
PDF
980-1100
80+/-21
42
14
7.6
Material
TeO2
Aperture/mm²
0.7 x 2
Polarisation
Linear/random
Diffraction Efficiency
60
Associated RF driver
PDF
980-1100
80+/-15
30
14
7.6
Material
TeO2
Aperture/mm²
1 x 2
Polarisation
Linear/random
Diffraction Efficiency
60
Associated RF driver
PDF
980-1100
80+/-15
30
14
7.6
Material
TeO2
Aperture/mm²
1
5 x 2
Polarisation
Linear/random
Diffraction Efficiency
60
Associated RF driver
PDF
980-1100
110+/-25
50
23
12.6
Material
TeO2
Aperture/mm²
1 x 2
Polarisation
Linear/random
Diffraction Efficiency
55
Associated RF driver
PDF
980-1100
200+/-50
100
47
25.3
Material
TeO2
Aperture/mm²
0
2 x 1
Polarisation
Linear/random
Diffraction Efficiency
60
Associated RF driver
PDF
980-1100
200+/-50
100
47
25.3
Material
TeO2
Aperture/mm²
0
4 x 2
Polarisation
Linear/random
Diffraction Efficiency
35
Associated RF driver
PDF
700-1100
80+/-15
30
14
5.7
Material
TeO2
Aperture/mm²
1 x 2
Polarisation
Linear/random
Diffraction Efficiency
70
Associated RF driver
PDF
700-1100
80+/-15
30
14
5.7
Material
TeO2
Aperture/mm²
1
5 x 2
Polarisation
Linear/random
Diffraction Efficiency
70
Associated RF driver
PDF
700-1100
110+/-25
50
23
9.5
Material
TeO2
Aperture/mm²
1 x 2
Polarisation
Linear/random
Diffraction Efficiency
60
Associated RF driver
PDF
700-1100
110+/-25
50
23
9.5
Material
TeO2
Aperture/mm²
1
5 x 2
Polarisation
Linear/random
Diffraction Efficiency
60
Associated RF driver
PDF
750-950
200+/-50
100
47
19
Material
TeO2
Aperture/mm²
0
5 x 2
Polarisation
Linear/random
Diffraction Efficiency
60
Associated RF driver
PDF
750-950
250+/-50
100
47
19
Material
TeO2
Aperture/mm²
0
5 x 2
Polarisation
Linear/random
Diffraction Efficiency
60
Associated RF driver
PDF
750-950
350+/-60
120
28
22.8
Material
TeO2
Aperture/mm²
0
12 x 1
Polarisation
Linear/random
Diffraction Efficiency
60
Associated RF driver
PDF
750-950
200+/-50
100
47
18.6
Material
TeO2
Aperture/mm²
0
5 x 2
Polarisation
Linear/random
Diffraction Efficiency
60
Associated RF driver
PDF
750-950
200+/-20
40
19
7.4
Material
TeO2
Aperture/mm²
1 x 2
Polarisation
Linear/random
Diffraction Efficiency
70
Associated RF driver
PDF