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Knight Optical can offer Custom Homogenizing Rods for use within Fluorescence Imaging. Knight Optical supply precision optical components to customers in the medical industry for applications such as fluorescence illumination, microscopy and imaging. Homogenizing Rods are used within the application of surgical procedures; within systems designed to help identify which tissues have been exposed to the fluorescent indicator. The Light source will enter a light pipe at a variety of incident angles, which is designed to utilise its total internal reflection to channel the light from the entrance of the light pipe to the exit. The material’s refractive index is the only factor which affects the light pipes critical angle; this defines the angle of acceptance which the total internal reflection will occur at. With this it helps to control the light source being used in medical systems. Read PDF for more info

Are you looking for a popular high refractive index and good IR transmission range material covering from 1.8-16µm? Here we are; Knight Optical’s Germanium glass material is ideal for your IR applications with its broad transmission range and opacity in the visible portion of the spectrum. Our Germanium windows are not only used in IR sensors, medical applications, and pyrometry; but also in IR imaging systems, and thermographic cameras. Typically operating in the 2µm to 14µm spectral range; that covers the LWIR (8-12μm) and MWIR (3-5μm) thermal imaging wavelength range. Our Germanium windows are available from stock, custom size and shape with Anti-Reflection coatings on one or both sides, and/or with Hard Carbon Diamond coatings. Read our PDF for more details...

Knight Optical offer a range of Stock N-BK7 Precision Grade Windows, for use with Thermal Imagining Cameras. Infrared radiation is characterised by the wavelengths ranging from 750nm to 1000µm. Although typically used for the visible range, N-BK7 does have transmission within the near infrared spectrum also. Where IR materials such as Germanium are limited to a small band in the IR spectrum, N-BK7 works well throughout the entire visible and into the NIR, making it a perfect material for a protective window for using within a Thermal Imaging Camera. A low cost material, it is perfect substrate for your protective window. We can supply both stock and custom N-BK7 windows to protect your thermal imaging application. The high optical quality and uniform transmission of N-BK7 as well as low absorption in the entire visible wavelength range is a key feature for this application. For more information read PDF

Knight Optical can offer Barium Fluoride Windows for use within Medical Imaging. We supply a range of barium fluoride windows for a range of applications. All individually QA checked and metrology tested for quality to ensure parts meet customer specification. Supplied in a range of sizes and shapes with custom coatings tailored to meet your individual applications. Knight Optical supply precision optical components to customers in the medical industry for applications such as medical thermology and thermography. Barium fluoride optics are used in the detection and screening of breast cancer and for screening for atypical pneumonia (SARS) and monitoring respiratory conditions. Due to barium fluoride’s high radiation resistance, it is ideal for use in high radiation (x-ray/gamma rays) environments. Other applications include cryogenically cooled thermal imaging systems, infrared spectroscopy and high energy neutron detection. Read PDF for more information…

Knight Optical can supply you with a custom made Diamond turned aspheric lenses for use within Thermal Imaging Cameras. We supply a range of diamond turned aspherics for a range of applications. All individually QA checked and metrology tested for quality to ensure parts meet customer specification. Supplied in a range of sizes and shapes with custom coatings tailored to meet your individual applications. Thermal Imaging Cameras work similarly to traditional visible camera systems; while traditional cameras form images using visible light; thermal cameras form images using infrared radiation; operating in wavelengths as long as 14µm. Spherical aberration occurs in common singlet lenses, which results in an image that appears distorted, aspheric lenses correct spherical aberration. An aspheric lens surface is designed non-spherical, which allows a single component lens to collimate or focus highly divergent rays, Read PDF for more information…

Knight Optical can offer Rhomboid Prisms for use within Imaging Applications. We supply a range of Rhomboid Prisms for a range of applications. All individually QA checked and metrology tested for quality to ensure parts meet customer specification. Supplied in a range of sizes and shapes with custom coatings tailored to meet your individual applications. Knight Optical supply precision optical components to customers within Imaging Applications. Rhomboid Prisms are designed to displace a beam laterally while maintaining its direction. Rhomboid prisms rely on total internal reflection and so do not often need to be coated For more information read the PDF…

Knight Optical are very experienced within the Thermal Imaging market, including anti-reflective and diamond-like-carbon coatings used on the optical components in these systems. Knight Optical know exactly what you are looking for. Thermal imaging uses infrared materials such as Germanium and Silicon, however in there raw form the transmission is not the best it could be. For example, Germanium typically transmits at <45% but with an AR coating applied, it can improve transmission to >60%. This increase in transmission means that the camera sensor receives a better signal through the protective window. Also with protective windows, we can provide high quality DLC coatings. We ensure the coating is Salt Fog Tested to MIL-SPEC standard to ensure that the coating withstands harsh environments. The coating has high mechanical hardness and high resilience to external stress. Read PDF for more information

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The Fire Thermal Infrared (FireTIR) detection system is based on fixed infrared cameras which measure the viewed surface temperatures in real time and connect to a user friendly software interface.

Tesla are committed to the design, supply and field support of pre-clinical gradient coils for new and existing MR systems. Tesla have a complete range of state-of-the-art gradient coil designs from pre-clinical imaging through to ultra wide bore with virtually all magnet and amplifier combinations. New designs are available rapidly and on request. ** Click for more **

The use of a head gradient coil insert together with a whole body gradient coil allows for higher gradient strength and potentially higher stimulation limits. The use of a head gradient coil insert can result in higher resolution imaging, in particular of the inner ear. (Head gradients are used in combination with Whole body gradients within MRI systems for superior imaging). Important factors in head gradient coil design are: - Design of the head gradient coil insert's magnetic field to match the whole body gradient's magnetic field, - Robust, durable and rigid construction to maintain a fixed position within the whole body magnetic field, - Efficient cooling of the head gradient. ** Click for more **

Planar gradients for High Field Open (HFO) Magnetic Resonance Systems. Tesla design and produce a range of planar gradients for application in OEM High Field Open Magnetic Resonance Imaging (MR) systems where patients are imaged between two large plate magnets in an area that can be three times larger than in cylindrical systems. HFO MR or Open MRI systems are widely used in health care, since they can accommodate large patients and those who would otherwise experience claustrophobic reactions in a more comfortable and relaxed environment. ** Click for more **

Tesla design and manufacture a complete range of state-of-the-art gradient coils for clinical imaging, from value systems through to ultra wide bore and ultra high field MRI. We have products for virtually all magnet and amplifier combinations with new designs available on request. The existing MFC and HFC range, comprises over 40 whole body gradients offering the following specifications: - Up to 9.4 T. - Up to 800 mm gradient bore diameter. - Fit all magnets, including: Tesla, Philips, Siemens, Melco, Alltech, Ningbo Jianxin, Chenguang. - Operate with most amplifiers, including: Analogic; PCI; Siemens; Prodrive. - Integrated RF screen (optional). - Lorentz force minimised. - Ultra low eddy currents. ** Click for more **

Stable solution of the seven most common brain metabolites at physiological pH and concentrations. Two sizes available: 18cm and 11cm diameter spheres. Assess the performance and reproducibility of both standard and edited Magnetic Resonance Spectroscopy sequencees. he SPECTRE (Spectroscopy Reference) phantom is designed for Quality Assurance measurements of Magnetic Resonance Spectroscopy (MRS). It contains a set of metabolites found within the brain at physiological concentrations and pH, all housed within a HDPE spherical shell. Up to 30 SPECTRE phantoms can be made from the same batch, providing identical phantoms for use in multi-centre studies. SPECTRE uses a set of metabolites typically used in MRS QA; with the addition of GABA (gamma-Aminobytyric acid) at 2mM, to allow performance testing of both standard (e.g. PRESS, LASER) and J-edited (e.g. MEGA-PRESS) MRS acquisitions.