ODiSI 7100 Fiber Optic Sensor Interrogators

GH Optics introduces its advanced LWIR Ge-free Optical Windows, a cutting-edge solution designed for long-wave infrared (LWIR) applications in the 8–12 μm spectral range. Engineered using proprietary chalcogenide glass substrates from the GHW series, these windows offer a high-performance alternative to traditional germanium optics. By eliminating the need for germanium, GH Optics delivers a cost-effective, lightweight, and thermally stable solution without compromising on optical quality.These optical windows are enhanced with either DLC (diamond-like carbon) or HD (hard film) coatings, combined with AR (anti-reflection) layers, achieving transmittance rates exceeding 94%. This makes them ideal for demanding infrared systems where clarity, durability, and cost-efficiency are paramount.Product ParametersSubstrate MaterialGe-free Chalcogenide glass GHWDiameter Tolerance+/- 0.1 mmThickness Tolerance+/- 0.1 mmParallelism≤ 3 arcminChamfer0.2 mm x 45°Surface Quality60/40-80/50Flatness< 5 fringesCoatingDLC/AR or HD/ARKey FeaturesGermanium-Free Design: Utilizes GH Optics’ proprietary GHW chalcogenide glass, eliminating reliance on expensive and supply-sensitive germanium.High Transmittance: Achieves >94% transmittance in the LWIR band (8–12 μm), ensuring superior signal fidelity for infrared imaging and sensing.Advanced Coating Technology: Available with DLC or HD coatings plus AR layers, providing excellent scratch resistance, environmental durability, and minimized reflection losses.Thermal and Mechanical Stability: Offers robust performance across varying environmental conditions, making it suitable for field-deployed systems.Cost Optimization: Reduces overall system costs while maintaining high optical performance, ideal for scalable industrial and research applications.ApplicationsLWIR Ge-free Optical Windows are optimized for a wide range of infrared technologies, including:Infrared Thermal Imaging: Enhances image clarity and system reliability in surveillance, automotive night vision, and industrial inspection.Photoelectric Detection Systems: Improves sensitivity and accuracy in scientific instrumentation and remote sensing.Environmental Monitoring: Suitable for gas detection and spectroscopic analysis in harsh environments.Defense and Aerospace: Offers lightweight, durable optics for UAVs, targeting systems, and infrared countermeasures.Medical and Industrial Diagnostics: Enables precise thermal profiling and non-invasive diagnostics.What's Next?GH Optics continues to innovate in the field of infrared optics, expanding its portfolio of germanium-free solutions to meet the evolving demands of global industries. The LWIR Ge-free Optical Windows represent a significant step forward in sustainable, high-performance infrared technology.For researchers, engineers, and procurement specialists seeking reliable, cost-effective alternatives to germanium optics, GH Optics provides a compelling solution backed by deep expertise and rigorous quality standards.Contact our sales team today to request a quote, discuss customization options, or learn more about how LWIR Ge-free Optical Windows can enhance your infrared systems.

Cooling Capacity 315 to 420 W @+20 °C; Process Fluid Flow Rate 2 lpm @ 15 psig; 1/4” CPC Fittings with Shut-off Valves; Centrifugal Pump; Wetted Materials: Aluminium, Stainless Steel & Polymers or Cu, Stainless Steel, Brass & PolymersThe ThermoRack 401 Thermoelectric Recirculating Chiller is a compact, rack-mounted thermal control solution engineered for precision cooling in laser, optics, and industrial applications. Developed by Solid State Cooling Systems, this 4U rackmount unit delivers cooling capacities from 315 to 420 watts depending on configuration, with temperature stability of ±0.05°C even near ambient. Its solid-state thermoelectric design eliminates the need for compressors or refrigerants, resulting in quiet operation, low vibration, and long-term reliability.With a footprint of 19 x 21 x 7 inches (48 x 53 x 18 cm) and a weight of 39 lbs (18 kg), the ThermoRack 401 integrates seamlessly into standard 19-inch electronics racks. It supports a standard operating range of 5°C to 45°C, with an optional low-temperature configuration extending down to -5°C. The system features a digital PID controller for precise heating and cooling, and offers USB or RS232 communication for remote monitoring and control. Designed for global deployment, it includes a universal power input (100–240 VAC, 50/60 Hz) and is certified to UL, CE, CAN/CSA, and RoHS standards.Key FeaturesCooling capacity of 315 to 420 watts at 20°C depending on configuration±0.05°C temperature stability and repeatability at constant loadThermoelectric cooling with no compressor or FreonCompact 4U rackmount design for easy integrationCentrifugal pump (~2 lpm @ 15 psig) or magnetic drive gear pump (3 lpm @ 30 psig)1-liter internal tank with fluid level sensorWetted materials: aluminum, stainless steel, and polymers or copper, brass, and stainless steelCompatible with Koolance (27% propylene glycol/water) or 27–50% ethylene glycol/water mixUniversal power input: 100–240 VAC, 50/60 HzUSB or RS232 interface for system integrationVariable speed fan for quiet operation (<55 dBA at 50% load)Alarms for temperature, fluid level, and system faultsCertified to UL, CE, CAN/CSA, EN 61010-1, and RoHSApplicationsLaser cooling for diode and solid-state systems requiring stable thermal conditionsOptical instrumentation including interferometers and spectrometersAnalytical equipment such as chromatography and sample preparation platformsIndustrial test benches and OEM systems requiring rack-mounted thermal managementLife sciences and biotech applications with temperature-sensitive componentsWhat's Next?If your application demands compact, rack-mounted, and precise thermal control, the ThermoRack 401 Thermoelectric Recirculating Chiller offers a proven and configurable solution. With over 3,000 units deployed globally, it is trusted by engineers and researchers for its performance, reliability, and integration flexibility.Contact our sales team today to discuss your requirements, request a quote, or explore customization options tailored to your system.

Cut off Wavelength 980, 1350 nm; Numerical Aperture 0.09 to 0.27; Core Dia. 3.5 to 14 µm; Cladding Dia. 125 µm; Background Loss <10 to <30 dB/kmGreitlex Photonics’ series of Bismuth-doped single mode (SM) optical fibers feature core diameters of 5.6 and 6.5 µm. The Bismuth-Phosphorus co-doped fiber BPDF-SM-6/125-1320 is specially designed for amplifiers, lasers or superfluorescent fiber sources operating at 1270 to 1370 nm, while the Bismuth-Germanium co-doped fiber BGDF-SM-7/125-1430 series is specially designed for amplifiers, lasers or superfluorescent fiber sources operating at 1370 to 1490nm. It replaces similar products from former FORC Photonics. Key Features: Bismuth-doped Fibers Phosphorus or Germanium Co-doped Core Diameter: 5.6, 6.5 µm Core Absorption: 0.3, 0.5 dB/m Cladding Diameter: 125 µm Cut off Wavelength: 1050, 1100 nm Core Numerical Aperture: 0.14 Typ. Peak Gain: >0.2 dB/m Applications: Amplifiers; Lasers; Superfluorescent Fiber Sources

1, 4 Channels; Dynamic Range 25 dB; Sampling Rate 10-5,000 Hz; Wavelength Range 1500-1620 nm; Wavelength Accuracy 1, 2 pm; Wavelength Stability 1, 3 pm; Optical Fiber Connectors LC/APC Luna’s HYPERION si155 is an industrial-grade, fan-less fiber optic sensing interrogator. Featuring both static and dynamic full spectrum analysis, Luna’s HYPERION si155 robust, turn-key interrogator provides long-term, reliable and accurate measurements of hundreds of Fiber-Bragg Gratings (FBGs) or extrinsic Fabry-Perot (FP) sensors on 4 parallel, 160 nm wide channels. The si155 interrogator features an all new, high-power, low-noise, ultra-wide swept wavelength laser with guaranteed absolute accuracy on every scan which is realized with Luna’s patented Fiber Fabry-Perot filter and wavelength reference technology. The HYPERION platform, on which the si155 is based, features new and groundbreaking capabilities including high-performance on-board DSP and real-time FPGA processing. This enables rapid full-spectrum data acquisition and flexible peak detect algorithms of Fiber Bragg Gratings (FBG), Long Period FBGs (LPG), Fabry-Perot (FP) and Mach-Zehnder (MZ) sensors with low-latency access to data for closed-loop feedback applications. HYPERION static full-spectrum optical interrogators measure the full optical spectrum of the optical sensor signals and can be equipped with a NIST absolute reference cell. The performance of the static interrogator module is characterized by high dynamic range and high absolute wavelength accuracy. The HYPERION platform is now compatible with the ENLIGHT sensing analysis software, which provides a single suite of tools for data acquisition, computation, and analysis of optical sensor networks. More information on the ENLIGHT software can be found in the downloadable datasheet. The HYPERION platform also includes a comprehensive fully supported application programing interface (API) and LabVIEW, Python, Matlab, and C++ examples. Whether an application requires static or dynamic real-time acquisition or periodic monitoring, Luna offers the right instrument for the job. Proven to be an essential element in reliable, long-term sensing measurement installations, Luna’s sensing instruments have been installed in hundreds of challenging applications all over the world, including large-span bridges in China, earthquake monitors in California, oil platforms in Brunei and marine vessels in the North Sea. Key Features: Full Spectrum at 1 kHz With 160 nm on 4 Parallel Channels Simultaneously, Eliminating the Need for Optical Switches Dynamic and Absolute Measurements of Fiber Bragg Gratings (FBGs), Long Period FBGs (LPGs), Fabry-Perot (FP) and Mach-Zehnder (MZ) Optical Sensors From Detailed Optical Spectrum Single and Continuous 25 dB Dynamic Range, Available to Each Sensor on Each Channel, Independent of Differential System Losses Modes: Enhanced Visibility (10 Hz), Standard (100 or 1,000 Hz), High Speed (5,000 Hz) Number of Channels: 1, 4 Wavelength Range: 1500 to 1620 nm Wavelength Accuracy / Stability: 1 pm/1 pm, 2 pm/3 pm Optical Fiber Connectors: LC/APC Data Verification Key Guarantees only Valid Output. Each Data Set is Calibrated and Verified Against any Potential Sources of System Error (Coming Soon) Proven Reliability and Longevity of the Luna Swept Wavelength Source, With Over 100 Million Hours Logged Since 2000 Dimensions: 206 x 274 x 79 mm Applications: Fiber Optic Sensing of – Oil & Gas; Medical Devices; Industrial Measurements; Energy; Structures; Security; Aerospace