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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…
How to Increase the Damage Threshold of Acousto-Optic Q-Switches in High-Power Solid-State Lasers?
In high-power diode-pumped solid-state lasers (DPSS) and fiber laser systems, the intracavity acousto-optic Q-switch (AOQS) is continuously exposed to extremely high…
Role of a Manual Variable Optical Delay Line in Fiber Optic Gyroscopes
The fiber optic gyroscope (FOG) is the core component of modern inertial navigation systems and is widely used in aerospace, maritime sensing,…
7 Key Parameters to Check Before Buying a Variable Optical Delay Line
Aligning the optical system to sub-picosecond accuracy is notoriously demanding. Whether it’s matching the reference arm in an optical coherence…
3 Key Factors Affecting Thermal Drift in High-Power AOM Modulators
Thermal drift is the main limiting factor in the integration of high-power AOM modulators. In precision laser systems, the drift…
The Essential Methods to Acousto-Optic Device Maintenance
Proper maintenance of acoustic-optic devices (including acoustic-optic modulators (AOM), acoustic-optic tunable filters (AOTF), acoustic-optic filters (AOFS) and related components) can significantly extend…
Acousto-Optic Q‑Switch Pulse Instability? 3 Hidden Causes of Laser Pulse Drop Outs
After you set up the laser, it ran for several hours without any problems. Then you noticed that the pulse…
1550nm Narrow Linewidth Laser: Maximizing Coherence Length for Long-Range FMCW LiDAR
In the automotive and remote sensing mapping markets, the transition from Time of Flight (ToF) to Frequency Modulated Continuous Wave (FMCW) arises…
AOM Driver for Semiconductor Wafer Inspection: Maximizing Precision and Reliability
In terms of wafer inspection, the laser will not function properly unless it is appropriately modulated. If there are problems…
Lab-Grade vs. Industrial-Grade: Why Environmental Stability is Crucial for Your Optical Delay Line?
The Optical Delay Line (ODL) is a highly precise instrument when used under laboratory-controlled conditions. Nevertheless, if this device is to…
Phase Noise Suppression of Narrow Linewidth Lasers in Distributed Acoustic Sensing Systems
Indeed, distributed acoustic sensing (DAS) is highly effective for real-time, long-range surveillance of vital infrastructure, including oil pipeline networks, power grids,…