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How to Measure the Spectral Linewidth of a Single-Frequency Laser?
In high-precision optical fields such as distributed acoustic sensing (DAS), coherent lidar, and quantum communication, the spectral linewidth of the laser…
Troubleshooting FAQ: Why is Your Fiber AOM Extinction Ratio Degrading Over Time?
In high-precision optical systems (such as coherent Doppler lidar, distributed optical sensing DAS/DVS, and ultrafast pulse amplification), the extinction ratio…
How RF Driver Impedance Mismatching Damages Your Acousto-Optic Modulator?
In high-performance laser systems, the crucial functions of acousto-optic modulators (AOM) and Q switches are to control pulse characteristics and beam quality…
Why 780nm and 461nm Fiber AOMs Are Critical for Cold Atom and Quantum Research
For researchers in quantum research laboratories and developers of atomic clocks, laser cooling and trapping ultimately boil down to an…
VPP-dBm Conversion
When using RF amplifiers and some RF drivers, an RF signal needs to be input. Sometimes the magnitude of the…
Top 3 Reasons for Signal Degradation in Optical Delay Lines and How to Prevent It
In high-precision optical networks, microwave photonics, and interferometric measurement devices, precise control of the optical phase and time is required. Motorized…
Can Your Passive Optical Components Survive Severe Thermal Cycling?
When designing high-performance laser systems or optical sensors, engineers usually focus their budget and time on active components, such as narrow-linewidth…
What You Must Consider When Buying a Fiber AOM
If you’re working with lasers, you know how crucial precise control is. A fiber acousto-optic modulator (AOM) does this, letting you…
The Role of Radio Frequency (RF) Amplifiers in Laser Modulation Systems
In modern photonics, to achieve high-speed laser modulation, a seamless connection needs to be established between the digital control system…
What is the Rise Time of a Free-Space AOM and How Can You Optimize It?
In applications such as ultrafast laser modulation, pulse selection, and high-speed optical switches, the response speed of the acoustic-optic modulator…
Why Does FMCW LiDAR Require Ultra-Narrow Linewidth Lasers?
Frequency Modulated Continuous Wave LiDAR (FMCW LiDAR) is moving from the laboratory to practical applications, such as autonomous driving, robotics,…
Custom Fiber AOMs: Solving Dynamic PER Degradation and Jitter
When integrating an fiber acousto-optic modulator (AOM) into a high-power laser or a distributed acoustic sensing (DAS) system, an AOM with…