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Medical Equipmet Temperature Stabilization

Detector Sensors





Advances in the fields of hematology, microbiology and molecular biology continue to drive requirements for higher performing analytical equipment.

Environmental circumstances and recent developments in detector technology require reliable thermal management to allow equipment operation at extreme temperatures. II-VI Marlow has specifically formulated and developed a family of low-temperature-range thermoelectric materials to address new demands in such key scientific fields.

II-VI Marlow quality materials allow the II-VI Marlow designer to develop coolers that match your application size, weight and power conservation requirements while providing reliable thermal stabilization at extreme temperatures. II-VI Marlow coolers in this program, for example, provide temperature stabilization at 140 degrees Kelvin for various space applications. II-VI Marlow continues to drive material research and development capability to ensure the highest performance on extreme low-temperature-range thermoelectric materials.

Examples of detector and sensor cooling/temperature stabilization include:

  • Infrared/Visible Detectors, CCD Sensors
    Medical researchers conduct various types of analysis that utilize high-quality image sensor technology, including charge-coupled devices (CCD). A phenomenon known as “Dark Current,” a small electric current that flows through the CCD, often disrupts the CCD image resolution. Cooling the CCD to low temperatures reduces the array's dark current, thereby improving imaging resolution. Maintaining low temperatures further enhances image quality by improving CCD sensitivity to low-light intensities, including ultraviolet and visible wavelengths. II-VI Marlow thermoelectric coolers provide CCD cooling for near-room temperature to 170K (-103°C).

  • Thermal Imaging Cameras
    A thermal Imaging Camera contains a sensor that reacts to infrared energy from surrounding objects and coverts this “thermal signature” to a visible image. These images are critical to the advancement of Medical Thermology, the science of deriving diagnostic indications from highly detailed and sensitive images of the human body, applying to the following fields of study: breast oncology, dentistry, neurology, orthopedics, occupational medicine, pain management, vascular medicine/cardiology and veterinary medicine. II-VI Marlow thermoelectric modules stabilize the temperature of a thermal image camera infrared detector, ensuring the highest image quality from external photonic sources.

  • Single Photon Counting Modules (SPCM)
    Single Photon Counting Modules (SPCMs) are self-contained modules that offer market-leading photon counting performance in a variety of cutting-edge applications, including Particle Sizing, Confocal Microscopy, Ultra-Sensitive Fluorescence, Single Molecule Detection and Quantum Communications. The SPCM utilizes a unique silicon avalanche photodiode that must remain at a cool, consistent temperature to ensure maximum photon detection efficiency. II-VI Marlow multi-stage thermoelectric coolers achieve the necessary photodiode cooling and temperature control to guarantee module reliability.

  • High-Speed High-Sensitivity Cameras
    Digital high-speed cameras require state-of-the-art electronic technology. The CCD (charge couple device) of a digital camera allows for high sensitivity and fast readout while maintaining high dynamic range and low image lag, and demands thermoelectric temperature management to function properly. The precise temperature control provided by the II-VI Marlow thermoelectric cooler provides the stability necessary to meet the digital camera speed and sensitivity requirements.

  • Optical Detectors – Agricultural, Chemical, Explosives and Bio-Hazard
    The hand-held portable detector identifies potentially harmful products in our food, environment and agricultural products. This all-optical Raman system is designed for use by first responders, homeland security, military, law enforcement, forensic chemistry personnel, food industry, agriculture and environmental business. A key component in the detector system, called a charge-couple device (CCD), must remain at a specific temperature for the detector to provide accurate readings and results. II-VI Marlow provides thermoelectric coolers that match the CCD temperature requirements and ensure reliability for portable analytical equipment in ultra-sanitary or rugged outdoor conditions.

  • Deep Depletion CCD Camera Platform for Raman Spectroscopy
    Deep depletion cameras offer superior sensory performance for a variety of applications, including Raman Spectroscopy, astronomical imaging and Bose-Einstein Condensate imaging. Every day, leading labs around the globe use these new imaging systems to conduct revolutionary research. These new cameras utilize proprietary back-illuminated and deep depletion sensor technology to provide significant improvements in sensitivity and fringe suppression.

    This novel design has all the necessary essentials for tackling demanding low-light-level imaging applications. The system now supports the world's first high-resolution, back-illuminated, deep-depletion imaging CCD for no-compromise performance in the NIR region (<1150nm).

    II-VI Marlow currently provides the deepest thermoelectric cooling (-90°C) with no liquid assist to a new deep depletion CCD camera platform.

  • Aesthetic Medical Lasers
    Advanced lasers used in the aesthetic medical market require thermoelectric cooling to extend laser life and increase patient comfort. II-VI Marlows’ engineering team develops customized thermoelectric modules to provide laser cooling and match specific laser application requirements.
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