Optical Windows

Optics & Photonics, Materials & Material Processing

Sapphire Optics withstand UAV hard landings.

October 22, 2014

Featuring Moh 9 hardness, UAV Sapphire Optics resist scratching from sand, dirt, and hard landings. Optics are as clear as glass and transmit from 270 nm to 4.7 microns. Flatness can be held to 1/10th wave in visible and <2 arc sec in/in parallelism, with surface finishes from 60-40 to 40-20 scratch-dig. Available from 0.25–10 in. diameter, products are suited for use as outboard protective optics for imaging sensors and can be custom fabricated as lenses, windows, and domes. Read More

Optics & Photonics, Architectural and Civil Engineering Products

Hydrophobic Windows suit harsh and humid environments.

May 16, 2014

Designed to resist liquid absorption or wetting, TECHSPEC® Hydrophobic Windows utilize proprietary hydrophobic surface that causes liquid to form droplets on contact, rather than be absorbed or spread across surface. Anti-reflective coatings provide less than 0.4% reflection per surface from 425–675 nm. Available in 7 models from 5–75 mm diameter, windows exhibit contact angles of greater than 107° and maintain contact angles of greater than 100°, even after moderate surface abrasion. Read More

Optics & Photonics

Hard Sapphire Windows protect sensors/cameras from particulate.

April 30, 2014

Providing protective surface for sensors and cameras exposed to high-speed particulates, custom Meller Sapphire Windows are as clear as glass and exhibit Moh 9 hardness. Various configurations and sizes up to 10 in. dia are possible depending on diameter to thickness aspect ratio. Featuring transmission from UV to IR (270 nm to 4.7 microns), windows offer flatness to 1/10th wave in Vis and < 2 arc sec in./in. parallelism with finishes from 60–40 to 40–20 scratch-dig. Domes are also available. Read More

Optics & Photonics

Sapphire Windows offer optimized UV to MWIR transmission.

April 3, 2014

Suited for wide range of demanding applications, including imaging and spectroscopy, TECHSPEC® Precision Sapphire Windows provide broadband transmission from 0.15-5.5 μm and surface accuracy of ¼ λ. Products have high tolerance design with thermal conductivity, extreme surface hardness, and resistance to many chemical acids and alkali. Windows are available in 4 uncoated sizes of 10, 15, 20, and 25 mm diameter. Read More

Optics & Photonics

Protective Sapphire Windows are durable and scratch resistant.

February 13, 2014

Available for 1 micron optics, Laser Research Fiber Laser Sapphire Windows act as debris shield replacements with Moh 9 hardness and reduce frequency of required lens changes. Available sizes range from 1–2 in. and withstand steel splatter, flash, and debris. Featuring 10-5 scratch-dig finish, 1/4 wave flatness, and A/R coatings on both sides, windows provide >99.5% transmission @ 1.07 microns with >90% @ 650–670 nm. Fused silica UV grade windows coated on one or 2 sides are also offered. Read More

Optics & Photonics, Materials & Material Processing

BaF2 Windows provide high transmission without AR coatings.

January 23, 2014

Suited for such applications as IR spectroscopy, TECHSPEC Barium Fluoride (BaF2) Windows offer wide broadband transmission extending from deep UV to LWIR (200 nm to 14 μm). Barium Fluoride's 1.48 index of refraction promotes transmission without requiring anti-reflection (AR) coatings. Supporting use up to 800°C in dry environments, 5–50 mm dia windows are made from optical fluoride resistant to high energy radiation and have 82 Knoop hardness. Read More

Safety & Security Equipment, Optics & Photonics

Combination IR Window/Ultrasound Port meet global demand.

December 30, 2013

Leveraging multi-technology approach, CAP-4-US permanent electrical safety device (PESD) enables electricians to find failure points in critical electrical assets, such as transformers and switchgear, before failure can occur. Solution is available with transparent or opaque polymer, both of which comply with all mandatory impact, load, and flammability requirements. This industrial-grade IR window meets OSHA NFPA 70E requirements for arc flash safety. Read More

Optics & Photonics

IR Windows protect high-energy equipment inspectors.

December 4, 2013

Installed within 5 min, ClirVu® CV Series eliminates need to open panel door to take IR camera readings on high-energy equipment. Products are Torture Tested™ to highest arc blast test ratings and, when properly installed, maintain panel arc test rating of up to 63 kA. Eliminating need to separately ground each metal component of window, AutoGround™ feature instantly grounds IR window to metal enclosure. Hinged cover is opened with quarter-turn latch or key and protects window from impact. Read More

Optics & Photonics

Sapphire Windows withstand explosive conditions.

October 11, 2013

Engineered of temperature-stable Sapphire to withstand thermally demanding environments up to 2,000°C, Sapphire Windows are suitable for flame detectors and analyzers of combustible gas and other hazardous materials. Hardness of 9 moh enables windows to stand up to corrosion and distortion over sustained heavy use, while transmission values from UV to mid-IR (0.2–5.0 µm) optimize sensitivity for infrared flame detection. Windows range in size from <1.0 mm up to 76.2 mm diameter. Read More

Optics & Photonics

Infrared Windows optimize field of view for inspections.

September 16, 2013

CAP 4 in. IR windows are available with transparent (CAP-CT-4) or opaque (CAP-C-4) polymer, both of which comply with all mandatory impact, load, and flammability requirements. Promoting safe and efficient electrical inspections, these combined visual, UV, and IR window also lend to application flexibility and feature protective cover with locking latches. Design employs pharmaceutical-grade optics as well as window housing and cover of stainless steel.

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Optics & Photonics

Custom Sapphire Windows protect sensors on aircraft.

June 8, 2012

Featuring transmission from UV to IR, Meller Sapphire Windows can be custom fabricated in virtually any mounting configuration. Windows exhibit Moh 9 hardness, protecting aircraft sensing devices from water, wind, and high-speed particulates. Produced in sizes up to 10 in. diameter, depending on diameter to thickness aspect ratio, windows provide flatness to 1/10th wave in visible and less than 2 arc sec in./in. parallelism with finishes from 60-40 to 40-20 scratch-dig. Read More

Vision Systems, Optics & Photonics, Materials & Material Processing

Sapphire Optics suit submersible applications.

April 17, 2012

Available in round and rectangular configurations, Custom Sapphire Optics can be fabricated as lenses, windows, and viewports from ¼-10 in. diameter and ½ mm to 1 in. thick, with or without A/R coatings. Optics are impervious to salt water and can withstand up to 10,000 psi, depending upon aspect ratio and mounting technique. Featuring Moh 9 hardness, windows can be fabricated with flatness held to 0.5 fringes of HeNe and parallelism from 20 to 2 arc/secs. Read More

Paints & Coatings, Optics & Photonics

Abrasion Resistant Optical Windows feature anti-reflective coatings.

August 11, 2011

Custom-designed to meet user requirements, Abrasion Resistant Optical Windows are available with 3 different levels of anti-reflective coatings that meet various MIL specifications. Coatings maximize optical transmittance while eliminating image ghosting, protecting optical systems in both hostile and common environments. Typical applications include camera lens systems, telescopes, POP displays, menu boards, digital signage, and LCD screens. Read More

Optics & Photonics, Architectural and Civil Engineering Products

Optical Windows suit precision analytical and medical devices.

December 21, 2010

Available in diameters as small as 0.20 mm, Optical Instrument Windows can be custom engineered, ground, and polished to micron tolerances in variety of submillimeter standard or custom shapes. Reflective or anti-reflection coatings can be applied to meet requirements of application. Created from optical and filter glasses, microscopic optical elements can be used for protection between differing physical environments, as well as in spectroscopic, chemical, and color analysis instruments. Read More

Optics & Photonics

Thin Windows produce minimal beam distortion and scatter.

March 30, 2010

Suited for weight- and size-sensitive applications, TECHSPEC® Ultra-Thin N-BK7 Windows measure 0.20 mm thick and feature precision substrate with ½ wave transmitted wavefront error. Each is available uncoated or with MgF2 Anti-Reflective (AR) coating in 8 standard sizes from 5-50 mm dia. Suitable uses include cover plates for biotech imaging and replacement windows for CCD sensors as well as various other R/D and OEM applications. Read More

Mechanical Power Transmission, Optics & Photonics, Materials & Material Processing

Ruby and Sapphire Parts offer heat and chemical resistance.

October 28, 2009

Suited for optics, electronics and optoelectronics, fine mechanics, and laser technologies, Ruby and Sapphire Parts offer transmission range from microwave, vacuum UV, and visible through IR. Refractive index has low dependence on temperature, making sapphire suitable for imaging optics applications. Hard and scratch resistant, Sapphire does not melt until 2,040°C, is insoluble in most industrial solutions, and is resistant to corrosion from acids. Read More

Optics & Photonics

Infrared Windows enable direct thermographic measurement.

September 25, 2009

Series CAP-V enables IR surveys and visual inspection of energized electrical conductors and circuit parts to be conducted from one custom-made, impact-resistant inspection panel. Keeping panel covers and doors closed, proper use maintains enclosed and guarded condition between thermographer and energized components. Product comes in standard 12, 24, and 36 in. panel sections but can be manufactured in any size or shape configuration to suit unique requirements. Read More

Vision Systems, Optics & Photonics

Optical Substrates are especially designed for optical coaters.

June 30, 2009

Available in sizes from ½-5 in. OD with ±0.00025 in. tolerance, Optical Substrates for Coaters feature 1/10 per wave flatness/in., parallelism to 2 arc-sec, and surface finishes to 10-5 scratch-dig per MIL-PRF-13830, depending upon material and configuration. Lenses can be supplied plano-convex and -concave, biconvex and -concave, and meniscus; windows and substrates can be plane, wedged, and tapered. Optical substrates are available in wide variety of materials. Read More

Optics & Photonics

Sapphire Optics protect military guidance systems.

May 4, 2009

Designed for front surface protection applications, custom-fabricated Sapphire Optics include windows up to 8 in. dia ranging from 1/8-½ in. thick with 70:1 aspect ratio and domes up to 6 in. dia with 160° included angles. Featuring up to 85% transmission uncoated and less than .25% reflection per surface with A/R coatings, Sapphire Windows have surface finishes to 60-40 scratch-dig. Domes feature surface accuracy to less than 1 fringe at 633 nm and finishes to 20-10 scratch-dig. Read More

Optics & Photonics, Materials & Material Processing

InAs Windows have blocking range broader than germanium.

May 1, 2009

Featuring refractive index profile of silicon, polished and coated indium arsenide (InAs) offers transmission edge of 3.1 µm at 80K (cryogenic) and 3.8 µm at 298K (room temperature). Windows may be manufactured with surface qualities approaching 10-5 per MIL-PRF-13830. Complete blocking below 3.0 µm, due to natural material absorption, enables production of fully-blocked filters in 3-5 µm and 8-12 µm spectral bands. Read More