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Excelitas Technologies, a leading provider of advanced photonic and electronic technologies, is featured on GoPhotonics for its broad portfolio of laser diodes, photodetectors, avalanche photodiodes, pyroelectric detectors, and electro-optic components designed for ultraviolet, visible, and infrared applications. The company delivers high-performance solutions for light generation, detection, and modulation, supporting functions such as high peak power emission, low noise signal detection, motion sensing, and polarization control across a wide spectral range. Its products are engineered using advanced semiconductor materials, integrated electronics, and precision packaging techniques to ensure stable operation, high sensitivity, and reliable performance in demanding environments. These components support applications in LiDAR, optical sensing, industrial automation, scientific instrumentation, medical diagnostics, and defense and aerospace systems.

TPGAD1S09H - Laser Diode for LiDAR Applications

The TPGAD1S09H is a 905 nm pulsed laser diode designed as a surface-mount device for high peak power applications. It features a triple-cavity quantum well structure with a 225 µm stripe width that enables a concentrated emission area and high optical power density. It provides peak optical output power of up to 70 W with short pulse operation, supporting efficient near-infrared emission at 905 nm. This device incorporates a multi-cavity architecture to enhance beam intensity and improve overall efficiency and stability. This laser diode is built in a compact 3 - LCC leadless surface-mount package on an FR4 carrier, supporting automated assembly and reliable thermal performance. It is available in tape and reel formats with variations across the series offering different emission configurations and form factors. It is ideal for LiDAR, range finding, safety systems, automotive sensing, and industrial optical detection applications.

LLAM-1550E-R2AH - InGaAs Avalanche Photodiode for Microscopy Applications

The LLAM-1550E-R2AH is an InGaAs photodetector receiver module that operates at a peak wavelength of 1550 nm with a spectral response range from 1100 nm to 1700 nm for near infrared detection. It integrates an InGaAs APD with an internal pre-amplifier and thermoelectric cooling to enable low noise and stable signal detection. It supports high speed optical signal processing with fast temporal response characteristics. It features a defined active area to enable efficient light collection while maintaining detection performance. It provides high sensitivity detection with low noise characteristics and stable responsivity across the operating spectral range. This device utilizes a hermetically sealed structure with high damage threshold for reliable operation. It is provided in a TO - 66 package with integrated cooling and amplification for simplified system integration. It is ideal for laser range finding, optical sensing, analytical instrumentation, confocal microscopy, distributed temperature sensing, and free space optical communication.

C30733EQC-3 - InGaAs/InP Avalanche Photodiode for Sensing Applications

The C30733EQC-3 is an InGaAs InP avalanche photodiode that operates over a spectral response range of 900 nm - 1700 nm for near infrared detection. It provides high responsivity at key wavelengths, fast response characteristics, and a bandwidth of up to 2 GHz for high-speed optical signal detection. It supports internal gain with high quantum efficiency, enabling enhanced sensitivity for low-level signal detection. It exhibits low noise performance with specified noise equivalent power values and maintains stable operation with low dark noise characteristics. This photodiode provides fast rise and fall times along with low polarization-dependent responsivity for consistent signal detection. It features a defined active area with low capacitance and optical return loss for efficient optical coupling and signal integrity. It is available in a fiber pigtailed package with single-mode fiber and FC/APC connector compatibility for convenient system integration. It is ideal for distributed fiber sensing, distributed temperature sensing and distributed acoustic sensing applications.

PYD 5731 - Pyroelectric Detector for Mid-Distance Motion Detection Applications

The PYD 5731 is a pyroelectric detector that operates with a cut on wavelength of 5.5 µm and provides sensitivity across the mid infrared region with filter transmittance optimized for 7.5 µm - 13.5 µm while suppressing wavelengths below 5 µm. It utilizes dual sensing elements to enable motion detection with a wide field of view and balanced signal response. It provides high responsivity with controlled matching between elements and low noise output for reliable detection performance. This detector incorporates integrated signal processing using Sigma Delta and DSP techniques for accurate signal conversion and configurable motion detection functionality. It features a compact dual-element structure designed for efficient infrared sensing and stable operation. It is available in a TO - 46 metal housing package and is compliant with RoHS standards for integration into compact systems. It is ideal for mid-distance motion detection, energy-saving systems, intrusion alarms, horizontal mounting configurations, and compact lens-based sensing applications.

CIQS 8 SG HD WP | 84503071023 - Potassium Dihydrogen Phosphate Pockels Cell

The CIQS 8 SG HD WP 84503071023 is a KD*P Pockels cell that operates at a wavelength of 1064 nm for electro-optic modulation applications. It provides high optical transmission with a clear aperture design to support efficient beam propagation. It utilizes a highly deuterated crystal structure to enable stable electro-optic performance with low capacitance characteristics. This device offers a high extinction ratio and supports high-energy laser operation with strong resistance to laser-induced damage at the specified wavelength. It is designed to maintain consistent polarization control and switching performance for precision optical systems. It is available in immersion or SolGel versions to support different integration requirements. It is ideal for Q-switching, pulse picking, and other high-power laser modulation applications.

With its portfolio of laser diodes, avalanche photodiodes, photodetector modules, pyroelectric detectors, and electro-optic components, Excelitas Technologies enables efficient light generation, high sensitivity detection, and precise optical modulation across advanced photonic systems. By combining advanced semiconductor technologies, integrated signal processing, and robust packaging, the company delivers stable, low noise, and high reliability performance for demanding environments. Excelitas Technologies’ focus on performance, integration, and application flexibility makes it a trusted solution provider for LiDAR, optical sensing, industrial automation, medical diagnostics, scientific instrumentation, and aerospace and defense applications.