Knight Optical (UK) Ltd

Knight Optical (UK) Ltd introduced a stock catalogue of precision optical components in 2003. The on-line catalogue contains over 2000 standard optical related products. One of the most successful products being our range of interference filters. We stock a huge selection of interference filters ranging from Ultraviolet to Near Infrared. Each interference filter is of the highest quality and is individually checked by our qualified technicians to ensure that each filter conforms to specification. We pride ourselves on our high level of customer service and competative pricing, which has made Knight Optical and established supplier of interference filters in instrumentation.

Interference filters are used for:   Fluorimetry   Fluorescence (exciters, emitters, and dichroics)   Microscopes (Fluoresence and biological)   Fluorimeters   Flow Cytometry   Microarray readers   Colorimetry and, cytometry, flow cytometry   Spectroscopy including Raman   Spectrophotometer   Spectrophotometric   Photolithography   Polarimeters   Photometers   Lithography   Metrology   Fluorimeters   Fluorescence   Fluorescence microscopy   Astronomy whether research astronomy or amateur   IInstruments

Instrumentation (Analysis of liquids, food particles and agricultural grains) Lenses (Filters to modify the light entering or exiting a lens) Machine vision (Optical sorting of food stuffs and seeds) Illuminators for output spectra Lasers, Laserline selection and Laserline imaging Laser signal selection and laser signal discrimination along with laser diode use Raman, colour imaging and detection Remote Sensing for 3-CCD cameras for multi-spectral analysis and instrumentation. Detectors, Tricolour separation, Medical research with DNA and fluorescence Atmospheric research Telecommunications Cameras and general imaging (spectra for coloration, infrared, UV, multi-spectral, etc) Scanners: Barcode readers, Art scanners, custom readers, etc General imaging and micro array readers

Other Filter Types Available:   Colour glass filters   Schott colour glass filters   Hoya colour glass filters   Wratten gelatine colour filters   Polyester colour filters   Acrylic filters   Neutral density (Glass)   Neutral density (Metallic)   Neutral density (Gelatine)   UV absorption filters   IR absorption filters   Visible transmitting filters   UV transmitting filters   Heat control filters   Hot mirrors   Cold mirrors   Dichroic filters

Dichroic beamsplitters Filters for narrow bands Narrow band filters Bandpass filters Interference filters Blocking filters Dielectric coated filters Laser reflection filters Laser blocking filters UV blocking filters UV transmitting filters Optical filters Longpass filters Shortpass filters Bandpass filters Edge filters Laserline filters

Coatings: With the use of high-volume vacuum coating equipment, coatings are applied to large sheets of glass. The coatings are specifically custom designed to yield tight predetermined tolerances with excellent surface quality over the large coated area. Parts in then individually machined to specific sizes.

Scribed Filters for long life: To ensure Maximum Life Knight Optical filter coatings are scribed and hermetically sealed to block out 100% of moisture and humidity while in storage. With the use of moisture resistant sealant, filters are then sealed prior to shipment to customers. These two features ensure maximum lifetime and quality.
Central Wavelength (CWL) Stability: Bandpass and narrow band filters are stabilized to minimize CWL drift.

Black Anodized Aluminum Rings: Standard stock filters are mounted and hermetically sealed in a black anodized aluminum rings. Rings are supplied with both front and rear aperture masks preventing light leakage around un-coated scribed filter edges.

Surface Quality: 80/50 per MIL-O-13830A is standard.

Humidity Resistance: MIL-STD-810C; Method 507, Procedure 1.

Documentation: A measurement of the pass band region is provided with each filter lot. Blocking verification to optical density (OD) 5 is performed on a Cary 500 UV-VIS-IR Spectrophotometer for an additional charge. Spectral data in ASCI spreadsheet format can be sent via E-mail.

ALL Filter coatings are scribed on CNC systems for superb long-term stability. Wavelength accuracy is calibrated to low-pressure mercury arc lamps. Our extensive experience and capabilities allow us to offer a wide selection of Interference Filters to OEM's, R&D firms and end users. Whether you choose:

		Narrow Bandpass Filters (FIN) 3nm
		Standard Bandpass Filters (FIB) 10nm
		Standard Bandpass Filters (FIB) 10-18nm
		Broad Band Filters (FIR) 22-40nm
		Extra Broad Band Filters (FIW) 65-75m
		Laserline Filters
		Shortpass Edge Filters
		Longpass Edge Filters
		Fluorescence Filter Sets
		Raman Edge Filter Sets
		Multi-Cavity Bandpass Filters
		Custom standard and multicavity filters

Knight Optical (UK) Ltd has a solution for your light-filtering applications
Whatever your requirement, however unusual we will fulfill them to your complete satisfaction!

Buy now from stock...

Knight Optical (UK) Ltd
Unit 4, Roebuck Business Park, Harrietsham ,Kent, ME17 1AB. United Kingdom
Phone: +44 (0)1622 859444
e-mail: colin@knightoptical.co.uk

Knight Optical (Europe)

+44 (0) 1622 850614

Send Enquiry to Bertrand

+44 (0) 1622 851078

Send Equiry To Marco

+44 (0) 1622 850429

Send Enquiry to Robert