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Free-space Acousto-Optic Modulators
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Product description：
Acousto-optic modulation is an external modulation technology, which can control the intensity of laser beam, and its speed is much faster than that of mechanical shutter. Acousto-optic modulator (AOM) can be used in laser modulation, laser graphic processing, laser digital communication and other fields. It has the characteristics of fast modulation speed, compact size, high modulation efficiency, high extinction ratio, easy coding and convenient to use.
CASTECH offers customized services that optimize the modulation scheme according to the demanding speed, wavelength, power, beam diameter and extinction ratio for our customers.
Applications：
●Laser marking
●Lithography
●Material processsing
●Medical surgery
●Micromachining
Schematic diagram of free-space acousto-optic modulator
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Free-Space AOM Model Number：CAOM-f-a-mt-w-c-h |
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RF Frequency (f) |
Aperture (a) |
Material (m) |
Mode (t) |
Wavelength(w) |
RF Connector (c) |
Housing (h) |
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68 MHz 80 MHz 100 MHz 120 MHz 150 MHz 200 MHz 250 MHz ... |
005 (0.5 mm) 010 (1 mm) 015 (1.5 mm) 020 (2 mm) 025 (2.5 mm) 030 (3 mm) |
CQ (Crystalline Quartz) TE (TeO2) |
C (Compressional) S (Shear) |
355 nm 532 nm 780 nm 850 nm 1030 nm 1064 nm 3000 nm ... |
AF (SMA-F) AM (SMA-M) CF (SMC-F) CM (SMC-M) … |
A03 A04 A05 A13 A29 A62 B09 B12 ... |
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Typical Specifications |
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Frequency |
Active Aperture |
Wavelength |
Transmittance |
Diffraction Efficiency |
Separation angle |
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100 MHz |
0.5~1 mm |
355 nm |
≥ 99.0% |
≥ 85% |
6.2 mrad |
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100 MHz |
0.5~4 mm |
1064 nm |
≥ 99.0% |
≥ 85% |
25.3 mrad |
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120 MHz |
0.5~1 mm |
1064 nm |
≥ 99.0% |
≥ 85% |
30.4 mrad |
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200 MHz |
0.15~0.5 mm |
1064 nm |
≥ 99.0% |
≥ 70% |
50.7 mrad |
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250 MHz |
0.15~0.5 mm |
1064 nm |
≥ 99.0% |
≥ 70% |
63.3 mrad |
Housing dimensions(mm)：
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Free-space Acousto-Optic Modulators.pdf
