Optical Filters

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 blocking within few nanometers of laser wavelength to isolate narrow spectral regions in diverse applications. Read More

Optics & Photonics

Cokin and OmegaBrandess Introduce NUANCES GND Filters

June 17, 2016

The dark side has never been so attractive. Hampstead, MD — Only a few months after having introduced NUANCES Full ND filters – the best Neutral Density filters available, Cokin and OmegaBrandess are proud to announce NUANCES Graduated Neutral Density (GND) filters. Cokin states that their biggest challenge has been to adapt their coating technology to make it graduated. A... 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 manufactured with hard sputtered coating on single fused silica substrate and mounted in black anodized ring. Read More

Electronic Components & Devices, Optics & Photonics

Tunable Edge Filters deliver spectral flexibility.

November 16, 2015

VersaChrome Edge™ includes tunable long pass filter, tunable short pass filter, and full spectrum blocking filter. By working together to create equivalent of single passband filter in visible or near infrared, filters lets users create bandpass they need as well as fine-tune edge positions and passband width to maximize brightness and contrast/signal-to-noise in real-time within their measurement setup. Flexibility afforded by integrated technology suits diverse applications. Read More

Communication Systems & Equipment, Optics & Photonics, Test & Measuring Instruments

Spectrophotometer Calibration Tools cover NIR range.

November 13, 2015

Consisting of proprietary blend of doped glass, WAV-8 NIR Solid-State Wavelength Filter produces series of distinct calibration peaks from 700–3,000 nm. With 12 peaks, spectrophotometer calibration of wavelength scale can be highly fine-tuned. FNIR-Series Filters maintain linearity from 700–3,000 nm, enabling technicians to validate 5 certified calibration points in NIR range. Superband-Series Filters, with span of 10 calibration points, cover UV, VIS, and NIR range from 200–3,000 nm. Read More

Electronic Components & Devices, Optics & Photonics

Machine Vision Filters match with LED lights.

November 2, 2015

Machine Vision Filters include bandpass filters for blue, cyan, green, amber, red, and deep red LEDs; colorpass filters in red and deep red; and infrared bandpass filter to maximize contrast under IR lighting. Linear polarizer, used to eliminate glare, comes with rotating locking screw to maximize versatility. Step down adapter from 27 mm to 25.5 mm and step up adapter from 27 mm to 30.5 mm are also available. Read More

Optics & Photonics, Welding Equipment & Supplies

Auto-Darkening Filter promotes visibility for welders.

October 15, 2015

Equipped with optics that enhance detail, contrast, and color, Speedglas™ Auto-Darkening Filter (ADF) Kit 9100XXi improves experience for welders using 3M™ Speedglas Welding Helmet Series 9100. External grinding feature lets welders seamlessly switch into grinding mode. Also, welders can access 2 pre-set welding modes via external button on helmet's silver front panel; removal of safety gloves or helmet is not required. Grab and go feature automatically turns welding filter on to last setting.
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Computer Hardware & Peripherals, Material Handling & Storage, Optics & Photonics, Paints & Coatings, Safety & Security Equipment, Services

3M Shares New Products and Safety Best Practices at NSC Congress & Expo

September 28, 2015

Experts on hand for new product demos and professional development sessions ST. PAUL, Minn. – Working to create a safer world for workers, 3M has strengthened its core personal protective equipment (PPE) and expanded its safety services offerings in time for the annual National Safety Council (NSC) Congress and Expo. 3M (Booth 2319), along with recently acquired Capital Safety (Booth 2439),... Read More

Optics & Photonics

Imaging Filters serve machine vision, imaging applications.

September 21, 2015

Optimized for use with LEDs, hard coated TECHSPEC® Imaging Filters pass or block UV, visible, or IR wavelengths. Transmission profiles lend to even illumination, and optical density is >3.0. RoHS-compliant products, which may also be used to improve image contrast and isolate spectral regions and colors, are available with center wavelengths of 470, 524, 548, 634, 660, and 880 nm with transmissions up to 97% in light red, dark red, green, blue, UV/VIS Cut-Off, and UV/IR Cut-Off models. 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%, filters are suited for fluorescence microscopy, Raman spectroscopy, Excimer lasers, and biological filtering. Read More

Optics & Photonics, Sensors, Monitors & Transducers, Test & Measuring Instruments

Color Light Sensor features IR blocking filter.

February 12, 2015

Designed to reject IR in light sources, Intersil ISL29125 operates in environments from sunlight to dark rooms. Digital red, green, and blue color light sensor has integrated ADC that rejects 50 Hz and 60 Hz flicker caused by artificial light. Housed in 1.65 x 1.65 x 0.7 mm package, sensor features selectable range via I2C interface, programmable interrupt windows, and operating power supply of 2.25–3.63 V. Device is suited for smartphones, PDAs, tablet PCs, LCD TVs, and digital cameras. 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 polarizers are not practical. Read More

Materials & Material Processing, Optics & Photonics

Pre-cut Sizes of Polarizing Film and Wave Retarders Save Time and Money

October 30, 2014

Pre-cut sizes of polarizing film and wave retarders save time and money Reading, PA — American Polarizers Inc. (API), a world leader in the manufacture of polarized filters and other optical products, has expanded its product offering with pre-cut sizes of acrylic and glass laminated linear polarizers, circular polarizers and wave retarders. API stock sizes now include 25mm (1 inch) and... Read More

Optics & Photonics

Fluorescence Filter Sets target LED light engines.

July 1, 2014

Designed to be spectrally aligned with output of LED light engines, LED Fluorescence Filter Sets come in single-band, full, and Pinkel multiband configurations. LED-DA/FI/TR/Cy5-4X-A was designed in particular for use with DAPI, FITC, TRITC, and Cy5 in Pinkel quad-band configurations, with quad-band beamsplitter and quad-band emitter, plus 4 no-burn-out single-band exciters that are mounted in LED based light source. All configurations are available preassembled in microscope cube. 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 intermediate density values. 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 simplify system setup, single linear variable bandpass filter can replace multiple dedicated filters. Read More

Electronic Components & Devices, Materials & Material Processing, Optics & Photonics

Kopp Glass Announces the Availability of Sixteen New Filter Glass Compositions

January 31, 2014

Designed for ease of substitution, Kopp’s expanded product line features new ultraviolet (UV) bandpass, colored longpass and infrared (IR) transmitting filters with industry-standard spectral properties at nominal thickness. Pittsburgh, Pennsylvania – In response to the growing demand for alternative, domestic filter glass suppliers, Kopp Glass has expanded its filter glass product line... 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... 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