Fiber-Coupled Acousto-Optic Modulators

Fiber-Coupled AO Modulators Gooch & Housego

AMS item number: SW11440

Wavelength 450-200 nm; Pigtail Type SM, PM; Rise / Fall Time 6-100 ns; Operating Frequency... more

Product information "Fiber-Coupled Acousto-Optic Modulators"

Wavelength 450-200 nm; Pigtail Type SM, PM; Rise / Fall Time 6-100 ns; Operating Frequency 40-300 MHz;

Fiber-coupled acousto-optic modulators (FCAOM) offer a robust solution for amplitude modulation of fiber lasers, allowing direct control of the timing, intensity, and temporal shape of the laser output. Gooch & Housego’s (G&H) Fiber-Q® modulators offer high extinction ratio, low insertion loss and excellent stability in both polarization maintaining (PM) and non-PM formats at modulation frequencies up to 80 MHz for visible and infrared wavelengths.

Built for reliability, the Fiber-Q® series of products features a rugged hermetic design in a compact, low-profile package, ideal for ease of integration into all-fiber and OEM systems, including medical laser systems.

Each Fiber-Q® acousto-optic modulator requires an RF driver to generate the RF signal creating the acoustic wave within the embedded AO crystal. Modulation of the beam through the Fiber-Q will depend upon the frequency and intensity of the applied RF signal. Contact our sales team to identify the best RF driver for your specific application, taking into consideration the type of modulation required (digital or analog) as well as any specific pulse shaping needs.

A fiber-coupled acousto-optic modulator (FCAOM) can directly control the temporal characteristics of the active output from a fiber laser, offering a wider variety of pulse shapes. As a byproduct of the acousto-optic effect, light passing through the first order diffraction mode of a fiber-coupled modulator also experiences a frequency shift and beam deflection. This allows the Fiber-Q® products to be used for more than just modulation, resulting in applications outside the laser such as optical heterodyne interferometry.

G&H’s fiber optic acousto-optic modulators are designed for low insertion loss, high extinction ratio and excellent return loss. Typical optical performance for the Fiber-Q® series includes:

Insertion loss: as low as 2 dB, depending on model
Extinction ratio: 50 dB
Return loss: 40 dB
Polarization extinction ratio: 20 dB (for polarization-maintaining models)

G&H has developed the first devices for visible wavelengths from 397 nm to 780 nm to meet the needs of sensing and quantum technology applications. The fast switch rate Fiber-Q® devices enable efficient, high speed optical pulse picking at infrared wavelengths for all-fiber laser systems. Most devices are also offered in 3-port configurations.

Applications: Industrial Lasers; Sensing; Scientific Research; Telecommunication; Quantum Technology; Optical Heterodyne Interferometry; Microscopy; Flow Cytometry

Series	Product Code	Wavelength	Pigtail Type	Rise / Fall Time	Operating Frequency	Downloads
Fiber-Q 1060 nm 150 MHz Non-Hermetic Fiber-Coupled AOM	S-M150-0.4C2G-3-F2S	1060 nm	SM	30 ns	150 MHz	Datasheet	Datasheet	Datasheet	Driver
Fiber-Q 1060 nm 200 MHz Non-Hermetic Fiber-Coupled AOM	S-M200-0.1C2G-3-F2P	1060 nm	SM	10 ns	200 MHz	Datasheet	Driver	Driver	Driver
Fiber-Q 450 nm 200 MHz	S-M200-0.4C2A-3-F2P, S-M200-0.4C2A-3-F2S	450 nm	PM, SM	25 ns	200 MHz	Datasheet	Driver	Driver	Driver
Fiber-Q 532 nm 200 MHz	S-M200-0.4C2C-3-F2P, S-M200-0.4C2C-3-F2S	532 nm	PM, SM	25 ns	200 MHz	Datasheet	Driver	Driver
Fiber-Q 633 nm 200 MHz Fiber Coupled AOM	S-M200-0.4C2E-3-F2P, S-M200-0.4C2E-3-F2S	633 nm	PM, SM	25 ns	200 MHz	Datasheet	Driver	Driver
Fiber-Q PM 1550 nm, 40 MHz (AMTIR)	T-M040-0.5C8J-3-F2P	1550 nm	PM	100 ns	40 MHz	Datasheet	Driver	Driver	Driver
Fiber-Q 1550 nm 40 MHz (AMTIR)	T-M040-0.5C8J-3-F2S	1550 nm	SM	100 ns	40 MHz	Datasheet	Datasheet	Datasheet	Driver
Fiber-Q PM 2000 nm 80 MHz Hermetic Fiber Coupled AOM	T-M080-0.3C2Z-3-F2P	2000 nm	PM	100 ns	80 MHz	Datasheet	Driver
Fiber-Q 2000 nm 80 MHz Hermetic Fiber Coupled AOM	T-M080-0.3C2Z-3-F2S	2000 nm	SM	100 ns	80 MHz	Datasheet	Driver
Fiber-Q PM 1550nm 80MHz Hermetic Fiber-Coupled AOM	T-M080-0.4C2J-3-F2P	1550 nm	PM	35 ns	80 MHz	Datasheet	Driver
Fiber-Q 1550 nm 80 MHz Hermetic Fiber Coupled AOM	T-M080-0.4C2J-3-F2S	1550 nm	SM	35 ns	80 MHz	Datasheet	Driver
PM Fiber-Q Polarization Maintaining 1550 nm Hermetic Fiber Coupled Acousto-Optic Modulator, 80 MHz (Low Power Consumption)	T-M080-0.5C8J-3-F2P	1550 nm	PM	100 ns	80 MHz	Datasheet	Driver
Fiber-Q 1550 nm Hermetic Fiber Coupled Acousto-Optic Modulator, 80 MHz (Low Power Consumption)	T-M080-0.5C8J-3-F2S	1550 nm	PM	100 ns	80 MHz	Datasheet	Driver
Fiber-Q PM 1550 nm 110 MHz Hermetic Fiber Coupled AOM	T-M110-0.2C2J-3-F2P	1550 nm	PM	25 ns	110 MHz	Datasheet	Driver
Fiber-Q 1550 nm 110 MHz Hermetic Fiber Coupled AOM	T-M110-0.2C2J-3-F2S	1550 nm	SM	25 ns	110 MHz	Datasheet	Driver
Fiber-Q PM 1060 nm 150 MHz Hermetic Fiber Coupled AOM	T-M150-0.4C2G-3-F2P	1060 nm	PM	30 ns	150 MHz	Datasheet	Driver
Fiber-Q 1060 nm 150 MHz Hermetic Fiber-Coupled AOM	T-M150-0.4C2G-3-F2S	1060 nm	SM	30 ns	150 MHz	Datasheet	Driver
Fiber-Q, 780 nm, 150 MHz Fiber Coupled AOM	T-M150-0.5C2W-3-F2P, T-M150-0.5C2W-3-F2S	780 nm	PM, SM	50 ns	150 MHz	Datasheet	Driver
Fiber-Q PM 1060 nm 200 MHz Hermetic Fiber Coupled AOM	T-M200-0.1C2G-3-F2P	1030 - 1090 nm	PM	10 ns	200 MHz	Datasheet	Driver	Driver
Fiber-Q 1060 nm 200 MHz Fiber Coupled AOM	T-M200-0.1C2G-3-F2S	1060 nm	SM	10 ns	200 MHz	Datasheet	Driver	Driver	Driver
Fiber-Q PM 1550 nm 200 MHz Hermetic Fiber-Coupled AOM	T-M200-0.1C2J-3-F2P	1550 nm	PM	10 ns	200 MHz	Datasheet	Driver	Driver
Fiber-Q 1550 nm 200 MHz Hermetic Fiber-Coupled AOM	T-M200-0.1C2J-3-F2S	1550 nm	SM	10 ns	200 MHz	Datasheet	Driver	Driver
Fiber-Q 2000 nm (2µm) 250 MHz Fiber Coupled AOM	T-M250-0.3C16Z-3-F2P	2000 nm	PM	20 ns	250 MHz	Datasheet	Driver
Fiber-Q 1060 nm 300 MHz Hermetic Fiber Coupled AOM	T-M300-0.1C2G-3-F2P, T-M300-0.1C2G-3-F2S	1060 nm	PM, SM	6 ns	300 MHz	Datasheet	Driver
Fiber-Q 1550 nm Fiber Coupled Acousto-Optic Modulator	T-M300-0.1C16J-3-F2P	1550 nm	PM	6 ns	300 MHz	Datasheet	Driver

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AOM Fiber-coupled Acousto-optic Modulators