Optical Filters

Communication Systems & Equipment, Electronic Components & Devices

UV Cut-Off Filter reduces amount of reflection in VIS and NIR spectra.

November 19, 2016

Offered in both unmounted and mounted versions with standard photographic and lens filter mount threads, UV cut-off filters have an anti-reflective (AR) coating. Available in seven models, unit provides surface flatness of 4-6λ and surface quality of 80-50. Including wavelength ranges from 350-2200 nm spectra, unit offers 34 mm to 69 mm diameters. Featuring Hoya L-39 substrate, filters are... Read More

Communication Systems & Equipment, Optics & Photonics

Beam Combining Filters target optogenetics applications.

September 30, 2016

BrightLine® Multiphoton LaserMUX™ Beam Combining Filters enable deep tissue imaging and optimized contrast in multi-color and multi-modal fluorescence microscopy. Filters simultaneously achieve high transmission, high reflection, and low GDD over both reflection and transmission, while maintaining minimal wavefront distortion. Suitable for combining 2 femtosecond pulsed laser beams, filters... Read More

Communication Systems & Equipment, Electronic Components & Devices, Optics & Photonics

Shortpass, Longpass, Imaging Filters offer deep blocking.

August 15, 2016

With series at 10 nm (213 models), 25 nm (108 models) and  50 nm (147 models), TECHSPEC® Hard Coated Filters include High Performance OD 4 Shortpass Filters, High Performance OD 4 Longpass Filters, and Imaging Filters. These products, fabricated using hard coated plasma deposition technology for performance and durability, provide high transmission of designated wavelengths and maximum... Read More

Communication Systems & Equipment, Optics & Photonics

Filters with Performance Efficiency Uncompromised by Angle of Incidence

June 8, 2016

Palatine, Ill. – Midwest Optical Systems (MidOpt) announces the release of a broad range of StablEDGE™ filters. StablEDGE™ is an innovative hybrid filter design that maintains critical spectral performance in imaging applications with short focal length lenses (<12mm) or angular-dependent lighting. In traditional filter designs, as the angle of light reaching the filter changes, the... Read More

Communication Systems & Equipment, Electronic Components & Devices, Fluid & Gas Flow Equipment, Optics & Photonics

Fluorescence Bandpass Filters match common fluorophores.

February 9, 2016

With 18 additional models at center wavelengths ranging from 386–648 nm, TECHSPEC® Fluorescence Bandpass Filters suit fluorescence imaging applications. Units feature greater than 93% transmission and greater than OD 6 blocking outside desired passband, less than 3% from edge of bandwidth, to ensure detection of weakest signals. Offered in 12.5, 25, and 50 mm diameters, filters are... Read More

Communication Systems & Equipment

Broadband Filter Sets support Brilliant Violet and UV dyes.

July 8, 2015

When used in conjunction with Brilliant Violet and Ultraviolet dyes, BUV395-3018A, BV421-3824A, and BV510-3825A Filter Sets allow microscopists to visualize molecules of small quantities or low expression within cell. For laser applications, including flow cytometry, emission filters are designed to block common laser lines of 355 nm and 405 nm. Read More

Communication Systems & Equipment, Electronic Components & Devices, Optics & Photonics

Deep UV Bandpass Filters provide bandpasses as low as 122 nm.

June 15, 2015

Manufactured from MgF2 and UV grade fused silica, Deep UV Bandpass Filters come in 12 models with center wavelengths of 122, 193, 248, and 308 nm in diameters of 12.5, 25, and 50 mm. Each filter is mounted in aluminum ring for identification and system integration, as well as to protect it from damage and surface abrasions. Offering surface quality of 20-10 with clear aperture of >85%,... Read More

Communication Systems & Equipment, Optics & Photonics

Broadband Polarizers feature wide acceptance angles of ±40°.

January 9, 2015

Available in 25.4 mm and 38.1 mm diameters with thickness of 2.2 mm, Broadband Polarizers provide consistent transmitted contrast from 300–2,700 nm. Linear units are made with fused silica substrate and feature wide operating temperature of -50 to 80°C. Suited for use with uncollimated light sources, RoHS-compliant polarizers target broadband applications from UV to SWIR, where wire grid... Read More

Communication Systems & Equipment, Optics & Photonics

Neutral Density Filters attenuate light from UV to NIR.

February 26, 2014

Providing constant, ultra-broadband performance from 190–1,700 nm, TECHSPEC® UV-NIR Neutral Density Filters exhibit parallelism of less than 5 arcseconds. Units are available in 18 models with diameters of 12.5, 25, and 50 mm and optical densities of 0.3, 0.5, 1.0, 1.3, 1.5, and 2.0. Suitable for spectroscopy, machine vision, and ellipsometry applications, filters can be stacked to create... Read More

Communication Systems & Equipment, Electronic Components & Devices, Optics & Photonics

Bandpass Filters isolate narrow spectral regions.

February 14, 2014

Available in VIS and NIR models, Linear Variable Bandpass Filters are precision coated optical filters featuring spectral properties that vary linearly across filter length. Units provide optimum input beam diameter of 0.5 x 10.0 mm and block greater than 4.0 optical density at 1.5% of laser wavelength. Spectral response can be adjusted by moving filter's position relative to light source. To... Read More

Communication Systems & Equipment, Materials & Material Processing, Optics & Photonics, Test & Measuring Instruments

Tektronix Introduces New Short-Reach and Long Haul 100/400G Optical Networking Test Solutions

September 27, 2013

New Offerings Provide Enhanced Capability for testing both Optical Network Components and Next Generation Coherent Modulation Formats BEAVERTON, Ore. – Tektronix, Inc., the world's leading manufacturer of oscilloscopes, today announced expanded testing support for both short range and long haul 100G optical network testing. Debuting at the European Conference on Optical Communications Sept.... Read More

Communication Systems & Equipment, Electronic Components & Devices, Optics & Photonics

Semrock Adds Additional Standard Wavelengths to RazorEdge® Product Line

September 4, 2013

Description: Rochester, NY –Semrock adds an additional nine new wavelengths to its industry-leading high performance RazorEdge “E” grade product line. These patented ultra-steep long-wave-pass edge filters are designed to provide deep blocking at the laser wavelength then quickly transition to high transmission in less than 0.5% of the laser wavelength.  These nine new wavelengths expand... Read More

Chemicals & Chemical Processing, Communication Systems & Equipment, Green & Clean, Materials & Material Processing, Optics & Photonics, Services, Test & Measuring Instruments

Semrock RazorEdge® Optical Filters and WellDog Raman Spectrometers Used Together in Challenging Environments

August 6, 2013

Rochester NY – WellDog announced last week that its next generation of Reservoir Raman Spectroscopy™ systems, designed for monitoring challenging in situ coal seam environments and utilizing Semrock's rugged and reliable RazorEdge® filters, are now in service. The new systems provide a 10-fold increase in sensitivity and speed, are capable of operating at full rating in excess of... Read More

Communication Systems & Equipment, Optics & Photonics

Computer Filter helps minimize eye strain.

July 5, 2013

Offering protection against Computer Vision Syndrome, Task-Vision Large e-z Clip-On Computer Filter attaches to any prescription eyeglasses to help minimize eye strain and relax eyes. Large lens optimizes true color perception while maximizing contrast and allowing for sharp details. Filter is also available in magnification powers of +1.00, +1.50, +2.00, +2.50, +3.00, +3.50, +4.00, and +5.00. Read More

Communication Systems & Equipment, Optics & Photonics, Paints & Coatings

Dontech Car-Series(TM) & VC1-IM-Series(TM) Dielectrically Enhanced ITO Coatings for Demanding Display Applications

May 29, 2013

DISPLAY WEEK 2013 Please refer to the following number in correspondence:  DON-139 Doylestown, PA – Utilizing the latest in thin-film vacuum deposition technology, Dontech's CAR-Series™ and VC1-IM-Series™ index-matched ITO coatings on glass filters provide exceptional optical and electrically conductive properties.  For high-end display programs, CAR-Series™ coatings are... Read More

Communication Systems & Equipment, Optics & Photonics

Color Filter Stacks provide precision spectral control.

March 1, 2013

Available in sizes up to 6 in., ColorLock™ Color Filter Stacks utilize transmission and blocking characteristics of 2 or more filter glass types to provide wide-angle performance from 0° to ±50°, without spectral shift. Out-of-band blocking is achieved by absorbing characteristic of glass, enabling blocking densities better than OD10. Filters come in band pass, long wave pass,... Read More

Communication Systems & Equipment, Electronic Components & Devices, Optics & Photonics

Fluorescence Filter Cubes are pre-mounted for proper alignment.

February 1, 2013

Available in 22 different filter combinations for both Olympus and Nikon microscopes, TECHSPEC® Pre-Mounted Fluorescence Filter Cubes each include one TECHSPEC Fluorescence Dichroic Filter and 2 TECHSPEC Fluorescence Bandpass Filters, which have been specifically oriented for optimal excitation and emission of popular fluorophores. Filters may be removed and replaced depending upon application... Read More

Communication Systems & Equipment, Optics & Photonics, Services

Semrock Manufactures the World's First 11-Band Optical Filter

January 22, 2013

Rochester, NY - Semrock proudly announces the production of the world's first 11-band filter with steep edges within a 100nm wide spectral window. The filter has high transmission and exceptional blocking outside each of the eleven. The unmatched spectral complexity of this 11-band filter was designed specifically to match the corresponding formaldehyde fluorescence emission spikes over the... Read More

Communication Systems & Equipment, Electronic Components & Devices, Optics & Photonics

Bandpass Interference Filters suit life science instrumentation.

December 21, 2012

Available in 12.5, 25, or 50 mm diameters with center wavelengths from 400–950 nm, TECHSPEC® Hard Coated 25 nm Bandpass Interference Filters provide high transmission with deep blocking. Units eliminate unwanted background noise, while simultaneously optimizing SNR in imaging or machine vision applications. Suitable for single photon microscopy, filters prevent photobleaching in delicate... Read More

Communication Systems & Equipment, Electronic Components & Devices, Fluid & Gas Flow Equipment, Optics & Photonics

Long Pass-Edge Filters offer 10 additional wavelengths.

December 13, 2012

Intended for fluorescence imaging and metrology applications, EdgeBasic™ Long Pass-Edge Filters combine steep edge locations from 325–1319 nm, extended blocking at and below laser line, and consistent and extended high transmission pass bands. Featuring hard coated, no burn-out durability, filters are suitable for application-specific Raman spectroscopy when optimized laser-line... Read More