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LD4B, a manufacturer of photonic sources and fiber-coupled optoelectronic devices, is featured on GoPhotonics for its portfolio of laser diodes, superluminescent diodes, and PIN photodiodes designed for optical communication, sensing, and instrumentation applications. The company focuses on stable optical signal generation, high sensitivity photodetection, and broadband light emission to support accurate measurement, transmission, and analysis in fiber optic systems. Its technologies integrate InGaAs photodetectors, Fabry-Perot and continuous wave laser architectures, superluminescent broadband sources, and fiber-coupled designs with multiple connector and package options for flexible system integration. These solutions are widely used in high-speed optical communication links, DWDM and CWDM networks, fiber sensing systems, optical coherence tomography, laboratory instrumentation, industrial photonics, and biomedical imaging applications.
PINTIA4B-10G-L - PIN photodiode for Signal Monitoring Applications
The PINTIA4B-10G-L is a fiber-coupled PIN photodetector module with integrated transimpedance amplifier that operates over a wavelength range of 1260 - 1620 nm for high-speed optical signal detection in 10 Gbps communication systems. It integrates an InGaAs PIN photodiode with a built-in transimpedance amplifier for direct optical-to-electrical conversion with high sensitivity and low noise operation. It supports high-speed optical detection for 10 Gbps class communication links and stable reception of weak optical signals. It supports single-mode fiber coupling with FC/APC, FC/UPC, SC/APC, and SC/UPC connectors options for flexible integration. It is available in a compact coaxial pigtail package with mounting and fiber configuration options for system integration. It is ideal for high-speed fiber optic communication systems, DWDM networks, telecom links, data center interconnects, optical test and measurement, and signal monitoring applications.
PD4B-200-P20-1G-K - PIN Photodiode for Laboratory Instrumentation Applications
The PD4B-200-P20-1G-K is a fiber-coupled PIN photodiode that operates over a wavelength range of 900 - 1700 nm for broadband optical signal detection. It supports high-speed photodetection with 1 GHz bandwidth for optical communication and measurement systems. It provides efficient optical to electrical signal conversion with high responsivity and low noise performance. It features low capacitance, low dark current, and controlled return loss for stable signal integrity in photonic applications. It supports FC/APC and FC/UPC connector options with fiber-coupled input for flexible integration. It is available in a hermetic coaxial package designed for reliable operation in scientific and industrial environments. It is ideal for optical communication systems, fiber sensing, laboratory instrumentation, and industrial photonics applications.
LD4B-940-FP-15 - CW Fiber-Coupled Laser Diode for Industrial Applications
The LD4B-940-FP-15 is a continuous wave laser diode that operates at a wavelength of 940 nm for optical signal generation in photonics systems. It delivers stable single-wavelength laser emission with narrow spectral width for precision optical applications. It provides fiber-coupled output for efficient light delivery in integrated optical systems. It incorporates a built-in monitor photodiode for output power monitoring and stable operation control. It supports SM05 and SMP05 fiber options with FC/UPC and FC/APC connector configurations for flexible system integration. It is available in COAX, COAXB, TH, DIL, DILRAD, and BTF package types for different integration requirements. It is ideal for optical sensing, industrial photonics, medical systems, and fiber optic communication applications.
LD4B-660-FP-100 - Continuous Wave Fabry-Perot Laser Diode for Sensing Applications
The LD4B-660-FP-100 is a continuous wave Fabry-Perot laser diode that operates at a wavelength of 660 nm for visible laser emission in photonics applications. It delivers stable optical output with narrow spectral width for consistent signal generation. It provides fiber-coupled laser emission for efficient optical delivery in integrated systems. It incorporates a built-in monitor photodiode for output monitoring and stable operation control. It supports SM04 and SMP04 fiber options with FC/APC and FC/UPC connector configurations for flexible integration. It is available in COAX, COAXB, TH, DIL, DILRAD, and BTF package types for different system requirements. It is ideal for optical sensing, industrial photonics, biomedical systems, and fiber optic communication applications.
SLD4B-830-2 - CW Superluminescent Diode for Metrology Applications
The SLD4B-830-2 is a superluminescent diode (SLD) that operates at a mean wavelength of 830 nm for broadband low-coherence light generation. It delivers optical output above 2 mW with a spectral width of 10 nm for high-resolution imaging and sensing applications. It provides low spectral modulation and controlled polarization extinction performance for stable broadband emission. It includes a built-in monitor photodiode for output monitoring and stable operation control. It supports FC/UPC, FC/APC, SC/UPC, and SC/APC connector options with compatibility across multiple single-mode and multimode fiber types for flexible integration. It is available in compact coaxial and coaxial with bracket package configurations for system integration. It is ideal for optical coherence tomography, fiber optic sensing, biomedical imaging, industrial inspection, and precision metrology applications.
With its broad portfolio of laser diodes, superluminescent diodes, and fiber-coupled PIN photodiodes, LD4B enables precise optical signal generation, high sensitivity photodetection, and stable broadband light emission across modern photonic systems. By combining Fabry-Perot and continuous wave laser architectures, superluminescent broadband sources, and InGaAs based detection technologies with compact fiber-coupled and multi-package design options, the company delivers reliable optical performance, flexible system integration, and efficient signal handling across diverse applications. LD4B’s focus on stable emission characteristics, accurate optical-to-electrical conversion, and application driven photonic design makes it a trusted solution provider for high-speed optical communication systems, DWDM and CWDM networks, optical sensing, laboratory instrumentation, biomedical imaging, and industrial photonic applications.
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