Eddy Current Instruments (See Nondestructive Testing Instruments, Eddy Current)

Edging Machines (See Centering and Edging Machines)

Educational Courses and Materials (46 companies) (See also Training Services)

Electro-Optics (See Crystals; Modulators)

Electroformed Optics (6 companies)

Electroforming Services (7 companies)

Electroluminescent Technology/Lighting (See Displays, Electroluminescent; Light Sources, Electroluminescent)

Electron-Beam Instruments (13 companies)

Electron-Gun Systems (13 companies)

Electronic Design Automation Software (3 companies)

Electronic Flash Units (See Light Sources, Xenon)

Electrostatic Printing Equipment and Materials (3 companies)

Ellipsometers (18 companies)

Embossing Equipment (See Holographic Embossing Equipment)

EMCCD (See Cameras, CCD, Electron Multiplication)

Encoders, Laser (7 companies)

Encoders, Linear (13 companies)

Encoders, Optical (34 companies)

Encoders, Rotary (8 companies)

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Endoscopes (20 companies)

Energy Meters (29 companies) (See also Fiber Optic Power Meters; Photometers; Power Meters; Radiometers; Spectroradiometers)

Engraving Systems (See Laser Systems, Scribing and Engraving)

Environmental Chambers (22 companies)

Epitaxial Coatings (See Coatings, Epitaxial)

Epitaxial Equipment (8 companies)

Epoxies (30 companies) (See also Cements and Adhesives; Fiber Optic Epoxies)

Epoxy Curing Systems (25 companies) (See also Ultraviolet Curing Equipment)

Epoxy Dispensing Systems (See Adhesive and Epoxy Dispensing Systems)

Erecting Equipment (See Optical Erecting Equipment)

Etalons (26 companies)

Etching Equipment (27 companies)

Etching Services (21 companies)

Evaporation Chemicals (See Vacuum Evaporation Chemicals)

Evaporation Systems (See Cooling Systems, Evaporator; Vacuum Equipment)

Exposure Controls, Automatic (See also Photoelectric Control Systems)

Exposure Meters, Photoelectric (4 companies)

Extensometers, Laser (See Laser Extensometers)

Eyepieces (See Lenses, Eyepieces)

Eyetrackers (3 companies)