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GaGe on Google Scholar
Visit and View "GaGe Digitizer" on Google Scholar Visit and View "GaGe Applied Technologies" on Google Scholar Google Scholar is a dedicated search site for scholarly literature that includes academic research papers, technical articles, patents, and more. Use the above links to review results of all articles in which GaGe products and services have been cited for various applications in fields such as: Wideband Signal Analysis RADAR Design and Test Signals Intelligence (SIGINT) Ultrasonic Non-Destructive Testing (NDT) LIDAR Systems Communications Optical Coherence Tomography (OCT) Mass Spectroscopy Ultrasound Imaging Time of Flight (TOF) Life Sciences Particle Physics [...]
Application Note: Modernizing a Legacy Military Avionics Test System with a Programmable GaGe High-Speed Digitizer
Introduction Across military and aerospace maintenance operations, many proven test systems remain in service decades after their original deployment. These systems often support critical certification procedures, validated workflows, and platform-specific compliance tests that are costly or impractical to replace. While the airframes and missions may evolve, the test infrastructure built around them often remains indispensable. The challenge arises when key instruments inside those systems become obsolete. Aging oscilloscopes, digitizers, controllers, and interface hardware can create maintenance burdens, calibration issues, and long-term support risks. Replacing them is rarely simple. In regulated or mission-critical environments, a modern instrument must not only [...]
Application Note: Improving Optical Measurements Through High-Speed Data Acquisition
Introduction Advances in optical engineering are driving the need for faster, more accurate data acquisition systems. Whether characterizing laser pulses, measuring fiber optic sensors, or analyzing highspeed optical communications, today’s photonics applications generate electrical signals that demand exceptional sampling performance and timing accuracy. While the optical source may be light, the measurement ultimately depends on capturing an electrical waveform produced by a photodiode or other optical detector. Preserving the integrity of that waveform is critical, as lost detail or timing errors can directly affect measurement accuracy, image quality, or system performance. High-speed PCIe digitizers provide the bandwidth, memory depth, [...]
Technology Brief: GaGe Digitizers — Powering the Next Generation of Distributed Fiber Sensing
Introduction An exciting new technology called Distributed Fiber Optic Sensing (DFOS) transforms ordinary communications fiber into a continuous sensing array that extends over kilometers. Communications fiber is designed to minimize optical attenuation and maximize the transmitted optical signal. Nonetheless, a small amount of light is backscattered towards the light source. This backscatter is routinely acquired by Optical Time-Domain Reflectometers (OTDRs) to characterize fiber. Modern communications fiber typically has a very low attenuation of about 0.2 dB/km. DFOS instruments similar to OTDRs are generally called interrogators. Backscatter is divided into two types. Elastic backscatter occurs at the same energy (or, [...]
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Application Note: GaGe Digitizers — Configuring GaGe Digitizers for Distributed Fiber Optic Sensing (DFOS)
Introduction Distributed fiber optic sensing (DFOS) uses optical fiber to measure temperature, strain, or vibration at many locations along its length. By analyzing changes in backscattered light, a DFOS interrogator can monitor conditions across extended assets such as pipelines, bridges, and railway infrastructure. In pulse-based systems, the arrival time of the returned light identifies its position along the fiber, while the optical sensing method determines which physical quantities can be measured. A photodetector converts the returning light into an electrical waveform, which a high-speed digitizer captures for processing. Selecting and configuring the digitizer requires attention to sampling rate, input [...]
Whitepaper: Distributed Fiber Optic Sensing DFOS
Introduction Distributed fiber optic sensing (DFOS) uses optical fiber to measure temperature, strain, or vibration at many locations along a sensing path. It provides spatial information across extended assets, supporting applications such as pipeline monitoring, railway monitoring, and structural assessment. Each application places different demands on sensing range, response speed, spatial detail, and measurement reliability. For instrument developers, these needs guide the selection of the optical architecture and electrical acquisition system. A digitizer captures the output of the optical detection system, with sampling rate, bandwidth, input noise, timing, channel configuration, memory, and transfer performance influencing the information available for [...]