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LD-PD, a manufacturer of advanced laser, photonic, and optical measurement systems, is featured on GoPhotonics for its portfolio of single-frequency lasers, semiconductor optical amplifiers, optical frequency converters, and Fabry-Pérot interferometers designed for spectroscopy, sensing, optical communication, and precision measurement applications. The company focuses on high spectral purity laser generation, low-noise optical amplification, nonlinear frequency conversion, and high-resolution spectral analysis to support accurate and stable photonic system performance across research and industrial environments. These solutions are widely used in laser characterization, LiDAR systems, fiber optic sensing, optical coherence tomography, atomic spectroscopy, interferometry, coherent communication, and other advanced precision photonics applications.
SFPI-500A(DP) - Fabry-Perot Interferometer for Laser Spectral Analysis
The SFPI-500A(DP) is a Fabry-Pérot interferometer with a spectral response range of 535 nm - 820 nm. Its specifications indicate high-resolution spectral analysis capability using a confocal Fabry-Pérot cavity with high finesse, enabling precise examination of laser spectral features. The device provides fine frequency discrimination through a fixed free spectral range and narrow resolution bandwidth, making it suitable for detailed characterization of continuous-wave laser sources and other precision optical spectral measurements.
PL-NLWM-1550-B-2-PA-C-M - Single-Frequency Laser for Research Applications
The PL-NLWM-1550-B-2-PA-C-M is a narrow linewidth single-frequency laser module operating over a wavelength range of 1525 nm - 1565 nm and at 1617 nm (ITU grid). Its specifications indicate ultra-narrow linewidth operation with high frequency stability and strong side mode suppression, enabling highly coherent continuous-wave laser output. The laser provides precise frequency tuning and modulation capability, along with low relative intensity noise and high optical isolation for stable signal generation. It is designed for applications requiring high coherence and spectral purity, including LiDAR, fiber optic sensing, resonant fiber optic gyroscopes, distributed sensing systems, coherent optical communications, and advanced scientific research.
PL-NLWM-1550-A-2-PA-B-M - CW Single-Frequency Laser for LiDAR & Research Applications
The PL-NLWM-1550-A-2-PA-B-M is a narrow linewidth single-frequency continuous-wave laser module operating at a central wavelength of 1550 nm. Its specifications indicate ultra-narrow linewidth operation with high spectral purity and strong side mode suppression, enabling highly coherent optical output. The laser provides stable frequency performance with low intensity noise, precise frequency tuning capability, and high optical isolation for maintaining signal stability in demanding environments. It is designed for applications requiring high coherence and precision optical sources, including LiDAR systems, fiber optic hydrophones, resonant fiber optic gyroscopes, distributed fiber sensing, coherent optical communication, and scientific research applications.
PL-SOA-A-A81-W1550-PAPA - Semiconductor Optical Amplifier for OCT Applications
The PL-SOA-A-A81-W1550-PAPA is a semiconductor optical amplifier (SOA) operating over a wavelength range of 1528 nm - 1562 nm with a center wavelength of 1550 nm. Its specifications indicate broadband optical signal amplification using an InP/InGaAsP multiple quantum well structure, enabling efficient gain for continuous wave and pulsed signals. The device provides high small-signal gain with controlled gain flatness and low ripple, supporting stable signal amplification across the operating band. It features polarization-maintaining compatibility, low noise performance, and integrated thermal stabilization for reliable operation, making it suitable for applications such as optical coherence tomography, fiber optic sensing, optical testing systems, fiber transmission systems, and fiber optic gyroscopes.
WH-0780-000-A-B-C (space out) - Optical Frequency Converter for Spectroscopy Applications
The WH-0780-000-A-B-C (space out) is an optical frequency converter designed for second harmonic generation, producing an output wavelength of 780 nm from a 1560 nm pump wavelength. Its specifications indicate efficient nonlinear wavelength conversion using a periodically poled lithium niobate (PPLN) waveguide, enabling coherent frequency doubling for precision optical applications. The device supports thermally stabilized operation with controlled wavelength tuning and stable phase-matching characteristics, ensuring reliable conversion efficiency. It is designed for applications such as rubidium atom spectroscopy and as a pump source for phase-sensitive optical amplification systems.
With its broad portfolio of single-frequency lasers, Fabry-Pérot interferometers, semiconductor optical amplifiers, optical frequency converters, and narrow linewidth laser modules, LD-PD enables high-precision optical generation, stable signal amplification, accurate frequency conversion, and high-resolution spectral analysis across modern photonic systems. By combining low-noise laser architectures, wavelength-stabilized components, nonlinear optical conversion technologies, and high-fidelity interferometric measurement tools, LD-PD Inc delivers reliable performance, spectral purity, and measurement accuracy for demanding optical applications. LD-PD Inc’s focus on laser coherence, optical signal integrity, and application-driven photonic design makes it a trusted provider for spectroscopy, LiDAR, optical coherence tomography, fiber sensing, optical communications, atomic physics, and advanced photonics research applications.
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