Fiber-coupled Acousto-Optic Modulators
Fiber-coupled Acousto-Optic Modulators
Brimrose all fiber optic, electronically controllable modulators allow the user to vary the output light amplitude, time duration, and periodicity/frequency. Insertion Loss can be as low as 2 dB, Extinction Ratio can be as high as 70 dB, rise times can be down to 5 nsec, periodicity can be up to several hundred MHz. Applications include switching, pulse picking, fast attenuator, etc. Wavelengths can range from near UV to near IR.
A specialized application of modulators is the Programmable Attenuator. Attenuators are a key element in the design of fiber optic transmission systems. Attenuators are used to match the optical power level to the dynamic range of receivers, adjust the input and output levels in EDFAs, equalize the power between different DWDM channels and test the general performance of systems under varying optical power conditions.
KEY FEATURES
Compact Size
Rugged Design
Low Insertion Loss
Fast Switching Speed
Hermetically Sealed
Low RF Drive Power
Stable Performance
Custom Configurations Available
APPLICATIONS
TTL/Digital Amplitude Modulation
Analog Amplitude Modulation
Fast Attenuator
Gain Tilt Control
EDFA Power Control
Loop-back Switch
Telecommunications
Fiber Sensing
Pulse Picking, Q-Switching
Spectroscopy
Fiber Lasers
OEM Designs
TECHNICAL SPECIFICATIONS
| Model # | Wavelength (nm) |
Center Frequency (MHz) |
Rise Time (ns) |
Modulation Bandwidth (MHz) |
Fiber Type |
|---|---|---|---|---|---|
| TEM-110-10-55-2FP | 380-1600 | 110 | 55 | 10 | SM or SMPM |
| TEM-200-25-20-2FP | 380-1600 | 200 | 20 | 25 | |
| TEM-250-50-10-2FP | 380-1600 | 250 | 10 | 50 | |
| TEM-500-100-5-2FP | 380-1600 | 500 | 5 | 100 | |
| IPM-200-25-20-2FP | 1000-2100 | 200 | 20 | 25 | |
| IPM-500-100-5-2FP | 1000-2100 | 500 | 5 | 100 | |
| AMM-55-8-70-2FP | 1000-2500 | 55 | 70 | 8 | |
| AMM-100-20-25-2FP | 1000-2500 | 100 | 25 | 20 |
Additional Specifications
| ON/OFF Extinction (dB) | > 50 |
| Insertion Loss (dB) | < 2.5 |
| Back Reflection (dB) | < -50 |
| Low Electric Power Consumption (dBm) | < 23 |
| Operating Wavelength Range (nm) | ± 25 |
The 3-port, fiber-coupled version is available, as well.
The Fiber-coupled AOM models shown above represent some examples of our fabrication capabilities. In addition, other wavelengths, frequencies or configurations are available.
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