1550nm Nanosecond Fiber Laser

• 1550 nm Eye‑Safer Wavelength – Operates at a central wavelength of 1550 ± 1 nm (with optional 1530–1565 nm range), ideal for LiDAR, laser ranging, and fiber optic sensing applications where eye safety and low atmospheric attenuation are critical.
• Adjustable Peak Output Power (10–50 W) – Delivers high nanosecond pulse peak power from 10 W up to 50 W, with customizable peak power on request, enabling flexible system integration for both short‑ and long‑range detection.
• Wide Pulse Width Tunability: 3–50 ns – Continuously adjustable pulse width from 3 ns to 50 ns supports optimization of range resolution, signal‑to‑noise ratio, and target reflectivity across diverse LiDAR and TOF ranging scenarios.
• Adjustable Repetition Rate: 1–3000 kHz – High‑speed operation with a 1 kHz to 3 MHz repetition rate, allowing users to tune between long‑range, high‑energy pulses and shorter‑range, high‑throughput measurement modes.
• Narrow Linewidth & Clean Spectrum – Spectral width of ≤ 1 nm ensures a stable, narrow emission spectrum, reducing timing jitter and improving detection accuracy in coherent and direct‑detection LiDAR systems.
• Outstanding Power Stability – Excellent output stability with short‑term (15 min) drift ≤ ±0.02 dB (≈ ±0.5%) and long‑term (8 h) drift ≤ ±0.05 dB (≈ ±1.2%), guaranteeing repeatable measurements and reliable field performance.
• Nanosecond Pulse Source for LiDAR & Ranging – Optimized for nanosecond‑class pulsed operation, making it an ideal master source for automotive LiDAR, 3D mapping, topographic surveying, and laser rangefinders.
• Fiber Optic Sensing Ready – Compatible with common sensing platforms, enabling high‑resolution distributed fiber optic sensing (DAS/DTS/DFOS) and point sensing where precise timing and power stability are required.
• Single‑Mode or Polarization‑Maintaining Output – Available with SMF‑28 (single‑mode) or PM1550 (polarization‑maintaining) fiber, allowing users to select the optimal output type for coherent detection, interferometry, and polarization‑sensitive sensing.
• Standard FC/APC Fiber Connector – Uses a low‑back‑reflection FC/APC connector for stable coupling, minimal return loss, and easier integration with common 1550 nm photonics components.
• Flexible Triggering Options – Supports TTL internal/external trigger modes (switchable in module version), simplifying synchronization with detectors, scanners, and system timing electronics.
• Multiple Control Interfaces – Benchtop units provide touchscreen control and RS‑232 communication; module versions support buttons plus RS‑232 or USB communication through a standard DB9 female interface for easy OEM integration.
• Compact Module and Benchtop Configurations – Offered as a compact M20 module (approx. 125 W × 150 D × 20 H mm) for OEM systems or as a B1 benchtop unit for laboratory and R&D use, covering both experimental and industrial deployment.
• Universal Power Supply Options – Benchtop version runs from a wide‑range AC 100–240 V power input (≈ 30 W), while the module version uses a DC 5 V supply (≈ 15 W), easing integration into mobile, rack, or embedded platforms.
• Industrial‑Grade Environmental Performance – Designed for ‑5 to +35 °C operating temperature and 0–70% humidity, ensuring stable performance in both controlled laboratory environments and demanding field conditions.
• Configurable Output Power & Fiber Type by Model – Ordering options allow selection of 1550 nm center wavelength, 10 / 30 / 50 W maximum peak power, SMF‑28 or PM1550 fiber, and module (M20) or benchtop (B/B1) package, simplifying system design and customization.
• Optimized for High Signal‑to‑Noise Ratio – Short, high‑peak‑power pulses and low spectral width help achieve a high SNR in time‑of‑flight detection, enabling more accurate distance and velocity measurements.

Applications of 1550 nm Nanosecond Fiber Laser

The 1550 nm Nanosecond Fiber Laser is a versatile, eye-safer wavelength source with adjustable power, pulse width, and repetition rate (1–3000 kHz). It is optimized for high-peak-power nanosecond pulses in standard and polarization-maintaining single mode fibers (SMF-28 / PM1550). These features make it ideal for a wide variety of industrial, scientific, defense, and sensing applications.

• LiDAR (Light Detection and Ranging)
  Used as a high-peak-power, eye-safer 1550 nm source for long‑range 3D LiDAR in automotive, UAV, and mapping systems. The adjustable repetition rate and pulse width allow optimization of range resolution, detection sensitivity, and scanning speed.
• Laser Ranging and Time-of-Flight Distance Measurement
  Provides short, stable nanosecond pulses for precision time-of-flight (TOF) distance measurements. Suitable for surveying, topography, obstacle detection, and industrial position monitoring where accurate range information is required.
• Fiber Optic Sensing
  Serves as a pulsed light source for distributed and point fiber sensors such as OTDR, DTS, DAS, and FBG interrogation systems. The narrow linewidth and stable power enhance measurement accuracy and long-distance sensing performance.
• Optical Time Domain Reflectometry (OTDR)
  Acts as a high‑peak‑power 1550 nm pulse source in OTDR instruments for characterization of optical fibers, detection of breaks, splices, and bends over tens to hundreds of kilometers.
• Distributed Temperature and Strain Sensing (DTS / DSS)
  Used in Rayleigh, Brillouin, and Raman-based distributed sensing systems for monitoring temperature and strain in pipelines, power cables, civil structures, and oil & gas wells.
• Fiber Bragg Grating (FBG) Interrogation and Sensing
  Provides a stable pulsed source for interrogating FBG arrays used in structural health monitoring, vibration sensing, and load/pressure measurements in aerospace, civil, and energy infrastructures.
• Coherent and Polarization-Sensitive Sensing
  With PM1550 output options, the laser supports coherent detection schemes and polarization-sensitive sensor networks used in distributed acoustic sensing, geophysical monitoring, and perimeter security.
• Eye-Safe Rangefinders and Target Designation
  Ideal for military and industrial rangefinder modules operating around 1550 nm. The nanosecond pulse regime and adjustable peak power enable long-range performance while remaining in the eye-safer spectral region.
• 3D Mapping, Surveying, and Remote Sensing
  Used in airborne and terrestrial 3D scanners for topographic mapping, forestry, coastal monitoring, and infrastructure inspection. The flexible pulse parameters support varying altitude and resolution requirements.
• Autonomous Vehicles and Robotics Perception
  Functions as the primary emitter in perception LiDAR systems for self-driving cars, mobile robots, and AGVs, offering robust object detection, collision avoidance, and environment mapping in challenging outdoor conditions.
• Atmospheric and Environmental Monitoring
  Serves as a source for atmospheric backscattering measurements, aerosol and cloud profiling, and other remote sensing tasks in meteorology and environmental research at 1.5 µm.
• Optical Component and System Testing
  Used for testing and characterization of fiber amplifiers, passive components, optical switches, and integrated photonic devices at 1550 nm, particularly where pulsed operation is required.
• Nonlinear Fiber Optics Experiments
  Provides controlled nanosecond pulses at telecom wavelength for studying nonlinear effects in optical fibers such as self-phase modulation, stimulated Brillouin scattering, and four-wave mixing.
• Telecommunications Research and Development
  Employed as a pulsed source in R&D of WDM systems, optical time-division multiplexing, signal processing, and advanced modulation formats in the C-band.
• Optical Coherence and Interferometric Measurements
  Used for time-gated and interferometric measurement setups where controlled pulse width and power stability at 1550 nm are essential for high signal-to-noise ratio and precise timing.
• Industrial Alignment, Positioning, and Profiling
  Supports high-precision alignment systems, optical profilers, and dimensional metrology tools that rely on nanosecond pulsed 1550 nm beams for accurate detection of surfaces and edges.