United Lens Co., Inc. - Southbridge, MA
Custom Manufacturer
ISO 9001:2008 certified, ITAR registered, custom manufacturer of beamsplitters. Materials used include fused silica, fused quartz, optical glass, filter glass, ceramic, Supremax®, Zerodur®, ULE®, Borofloat® & Clearceram®. Products such as optical blanks, rods, coated windows, high reflectors, laser debris shields, laser flow tubes, mirrors, thin film coatings, polished rods, optical flats & wedged flats can also be fabricated. Capabilities include fabricating, thin film coating, grinding & polishing, CNC machining, cutting, annealing, curve generating, profile edging & hand molding.
www.unitedlens.com/aerospace.html

Beamsplitters Capabilities
	Precision Machining of Optical Blanks Polished Optics & Coated Optics Machined and Molded for the Laser Industry Optics for the Aerospace Industry

Innovative Fabrication, Inc. - Lowell, MA
Manufacturer, Custom Manufacturer, Service Company
Custom manufacturer of beamsplitters. Manufacturing capabilities include optical alignment, machining, coring & sawing of all types of glass, ceramic, aluminum, nitride, lithium niobate, sapphire, beryllium oxide, silicon, germanium & GaAs. X, Y & Z indexing accuracy of plus or minus 2.5 microns & theta angle repeatability of plus or minus 6 arc seconds. Machines slots, grooves, bevels, chamfers & V-grooves. Capabilities include beveling, scribing, trenching, visual inspection from AQL to 100%, manual sort & load into chip tray or gel-pak, process development & R&D support. Dicing for components more than 1 in. thick. Prototype to production volumes.
www.innovative-fabrication.com/

Thin-Films Research, Inc. - Westford, MA
Manufacturer, Custom Manufacturer, Service Company
Custom manufacturer of beamsplitters.

eSource Optics - Whitinsville, MA
Manufacturer
Manufacturer of beamsplitters made of UV grade fused silica, wave length of 170-330mm, diameter tolerance of ±0.25mm and thickness ~2.0-5.0mm.

Opco Laboratory, Inc. - Fitchburg, MA
Manufacturer, Service Company
Manufacturer of custom beamsplitters including beamsplitter cubes & plates. Materials used include fused silica, glass, silicon, germanium, sapphire, calcium & magnesium fluoride & zinc selenide. Specifications include dia. up to 475 mm, surface accuracy up to Lamda/20, angles (wedge or prism) down to seconds, centration down to seconds & tolerance up to 10 microns.

JBV Optical Co. - Sturbridge, MA
Distributor, Custom Manufacturer, Service Company
Distributor of excimer laser components including beam dumps & homogenizers, underwater optics, cylindrical lenses, polarizing beam splitter cubes, retardation plates, retro-reflectors, achromats, mirrors, & prisms.

Corion Corp. - Franklin, MA
Manufacturer
Optical Filters & Coatings

GSI Group-Precision Motion Division - Bedford, MA
Manufacturer, Custom Manufacturer
ISO 9001:2000 certified manufacturer of standard & custom splitters including beam splitters. Types of beam splitters include plate, cube, x-cube, compound, dichroic, tap, polarizing & macneille. Features include cemented or optically contacted assembly. Specifications include sizes from 1 mm to 75 mm & wavelengths from 193 nanometer to 5 micro meter. Materials include fused silica & BK7. Services include application consulting, CAD/CAM, technical consultation, OEM design support & rapid prototyping. Markets served include aerospace, automotive, energy, electronics, medical, pharmaceuticals & consumer goods industries.

Valley Design Corp. - Shirley, MA
Distributor, Manufacturer, Custom Manufacturer, Service Company
ISO 9001:2000 certified manufacturer of beamsplitters.Beamsplitters are made of materials including 96% alumina, 99.6% alumina, aluminum nitride, fused silica, fused quartz, pyrex 7740 / borofloat, sapphire, silicon carbide, silicon, soda lime glass & stainless steel mirrors. Capabilities include annealing, backgrinding, bonded wafer thinning, chamfering, CMP polishing, coating, custom machining, cutting, dicing, drilling, edge/angle polishing, hole drilling, individual die & module thinning, lapping, lasering, OD rinding, OD polishing, optical polishing, oxide layer polishing, precision lapping, precision polishing, sawing, shaping, singulating, slicing, superpolishing, thinning, ultra-sonic drilling, ultra-thin polishing, wafering & waveguide facet polishing.

Opticraft, Inc. - Woburn, MA
Manufacturer, Custom Manufacturer
Precision Optics From IR To UV Applications For Industrial, Medical & Military Uses