Photonic Sourcing

12.7mmdia (8.7mm aperture)interference banpass filterin black anodized ring.Centre wavelength of 550nm with 10nm band width. Due to a surplus of this filter, a 25% discount is available for this product - now £16.95. Contact our technical sal...

Knight Optical offer materials for use in Infrared applications across 3-5 microns, 8-12 microns and multiwavelength bands. Our extensive choice of Infrared materials is available as polished blanks, windows, lenses, aspherics, prisms, and rods and ...

By utilizing single substrate coating techniques, your imaging and monitoring systems no longer need to settle with 70% transmission rate filters. Drawing upon over 20 years experience with optical filters and components, Knight Optical offers high ...

Germanium transmission cuts on at 1.8µm and has useful transmission until 14µm. Knight Optical’s Germanium windows and lenses are used in thermal imaging cameras, where inert and rugged optics are required. Germanium offers high ind...

Barium Fluoride transmission above 90% from 0.25µm to 9.5µm. Barium Fluoride has lower thermal-shock resistance and hardness than calcium fluoride but offers the highest resistance to high energy radiation compared to other IR materials a...

Knight Optical have supplied many markets with interference bandpass filters over many years. These include Defence & Aerospace, Oil & Gas, Opto-Electronic and Medical & Biotech, to name just a few.Our filters are used in many application...

Knight Optical have supplied the instrumentation, research & University and medical and Biotech markets with Quartz windows for many years.Quartz windows offer high temperature resistance and a wide wavelength transmission range from 230nm to 300...

Sapphire offers extreme strength and toughness for demanding projects where heat, pressure or impact damage renders other windows useless. Sapphire windows are cut from a crystal aluminium oxide and offers a transmission range from UV through visible...