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Acousto-Optic Modulators (AOM)

Gooch & Housego

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Modulators allow the intensity of light to be controlled and modulated at rates that far exceed mechanical shutters. Our acousto-optic modulators are optimized for low scatter and high laser damage thresholds.

For fiber coupled acousto-optic modulators, visit our Fiber-Q fiber coupled modulators page.

In order to identify the best acousto-optic modulator and RF driver solution, the key trade-off parameters to consider are the rise time, modulation rate, beam diameter, and optical power handling.

Optimized acousto-optic modulators

The most important factor in selecting a modulator is the required speed. This influences the choice of material, modulator design, and RF driver to be used.

The speed of a modulator is described by the rise time, which determines how quickly the modulator can respond to the applied RF driver and limits the modulation rate. Rise time is proportional to the time required for the acoustic wave to traverse the optical beam and for this reason, is influenced by the beam diameter within the modulator.

Modulators fall into two general categories as regards speed. Very fast modulators can provide modulation frequencies up to 200 MHz and can have a rise time as low as 4 ns. The input beam must be focused very tightly into the modulator to achieve this speed. Lower frequency modulators do not have this constraint, however, and can accept larger input beams. Their rise time is usually specified relative to the input beam diameter, in ns/mm.

If you require either fast repetition rates or large aperture sizes, our acousto-optic modulators are optimized for low scatter and high laser damage threshold, for reliable operation in a wide range of applications.

產品規格

Acousto-Optic Modulators (AOM)

Product	Wavelength	Rise / Fall Time	Active Aperture	Operating Frequency	Optical Material	Type
I-M110-3C10BB-3-GH27 AOM	300 - 400 nm	113 ns/mm	3 mm	110 MHz	Crystalline Quartz	UV
I-M110-2C10B6-3-GH26 AOM PDF檔案 I-M110-2C10B6-3-GH26 AOM	400 - 540 nm	113 ns/mm	2 mm	110 MHz	Crystalline Quartz	Visible
I-M0XX-XC11B76-P5-GH105 PDF檔案 I-M0XX-XC11B76-P5-GH105	5.5µm	120 ns/mm	9.6 mm	40.68 - 60 MHz	Germanium	N/A
I-M080-2C10G-4-AM3 AOM PDF檔案 I-M080-2C10G-4-AM3 AOM	1030 - 1064 nm	113 ns/mm	2 mm	80 MHz	Crystalline Quartz	IR
I-M050-10C11V41-P3-GH75 PDF檔案 I-M050-10C11V41-P3 GH75	9.4µm	120 ns/mm	9.6 mm	40/60 MHz	Germanium	Mid-IR
I-M041-XXC11XXX-P5-GH77 PDF檔案 I-M041-XXC11XXX-P5-GH77	10.6 µm,9.4 µm	120 ns/mm	11.6 mm	40.68 MHz	Germanium	Mid-IR
I-M041-2.5C10G-4-GH50 AOM PDF檔案 I-M041-2.5C10G-4-GH50 AOM	1030 - 1064 nm	113 ns/mm	2.5 mm	40.68 MHz	Crystalline Quartz	IR
AOMO 3200-125 PDF檔案 AOMO3200-125	470 - 690 nm	160 ns	1.5 x 2.5mm	200 MHz	Tellurium Dioxide	Visible
AOMO 3200-124 PDF檔案 AOMO3200-124	780 - 850 nm	10 ns	0.32 mm	200 MHz	Tellurium Dioxide	IR
AOMO 3200-1220 PDF檔案 AOMO3200-1220	257 nm	10 ns	0.25 x 2.5mm	200 MHz	Crystalline Quartz	UV
AOMO 3200-121 PDF檔案 AOMO3200-121	515 - 633 nm	18 ns	0.32 nm	200 MHz	Tellurium Dioxide	Visible
AOMO 3200-120 PDF檔案 AOMO3200-120	442 - 488 nm	13 ns	0.45 mm	200 MHz	Tellurium Dioxide	Visible
AOMO 3200-1113 PDF檔案 AOMO3200-1113	1047 - 1060 nm	10 ns	0.1 mm	200 MHz	Tellurium Dioxide	IR
AOMO 3110-197 PDF檔案 AOMO3110-197	1047 - 1060 nm	18 ns	1.25x 2.5 mm	110 MHz	Tellurium Dioxide	IR
AOMO 3110-121 PDF檔案 AOMO3110-121	442 - 488 nm	18 ns	0.6 x 2.5mm	110 MHz	Tellurium Dioxide	Visible
AOMO 3110-120 PDF檔案 AOMO3110-120	440 - 850 nm	18 ns	0.6 mm	110 MHz	Tellurium Dioxide	Visible
AOMO 3100-125 PDF檔案 AOMO3100-125	440 - 850 nm	160 ns	1.5 mm	100 MHz	Tellurium Dioxide	Visible
AOMO 3080-125 PDF檔案 AOMO3080-125	415 - 900 nm	25 ns	2 mm	80 MHz	Tellurium Dioxide	Visible
AOMO 3080-122 PDF檔案 AOMO3080-122	780 - 850 nm	25 ns	1x 2.5 mm	80 MHz	Tellurium Dioxide	IR
AOMO 3080-120 PDF檔案 AOMO3080-120	440 - 850 nm	34 ns	1 mm	80 MHz	Tellurium Dioxide	Visible