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KBr viewports and Parylene coating

KBr viewports and Parylene coating

Torr Scientific offer a range of Infrared vacuum windows using a range of materials.  One such material is potassium bromide (KBr).  Under standard conditions KBr is a white crystalline powder, but it can also be manufactured in optical blanks which can be ground and...
Laser Induced Damage Threshold (LIDT)

Laser Induced Damage Threshold (LIDT)

Work is ongoing at TSL to better understand and characterize the LIDT (laser-induced damage threshold) of our coated viewports and optics. We currently specify a CW (continuous wave) threshold of 500 W cm-2 at 530 nm. For each individual customer requirement, this...
Plasmaquest

Plasmaquest

Torr Scientific were recently very pleased to help out our friends in the Department of Mechanical Engineering Sciences at University of Surrey with some coating metrology. As part of a research project supervised by Dr Mark Baker, Reader in Surface Science and...
Microspike Biosensor Coating

Microspike Biosensor Coating

Microspike biosensors are minimally invasive sensors which can be used to measure metabolites, biomarkers and drugs in the interstitial fluid. The microspike substrate material is polycarbonate. The metallic electrodes can be functionalised with a variety of coatings....
Indium Tin Oxide

Indium Tin Oxide

Indium tin oxide (ITO) is an unusual material: it can be both electrically conductive and optically transparent. Depending on the oxygen content, it can either be described as a ceramic or an alloy. In vacuum applications, ITO is applied to optical components to allow...
Anti-Reflective Coatings at Torr Scientific

Anti-Reflective Coatings at Torr Scientific

Anti-reflective (AR) coatings are used to reduce the losses due to reflection as a beam of light passes through an optical material.  This may be visible light, UV, or IR, all of which are parts of the spectrum of electromagnetic radiation. Losses are caused by both...
Indium Tin Oxide (ITO)

Indium Tin Oxide (ITO)

Indium tin oxide is an unusual material: it can be both electrically conductive and optically transparent. Conductive materials like metals have delocalized electrons that are relatively free to move within the material, but this freedom means that they can interact...