Sales Personnel Selection Services (5 companies)

Sales Representatives (8 companies)

Sapphire (See Crystals, Infrared; Crystals, Sapphire; Optical Materials)

Saturable Absorber (See Laser Dyes)

Saws (See Slicing and Cutting Machines)

Scalers, Multichannel (4 companies)

Scan Converters (1 company) (See also Video Scan Converters)

Scanners, Acousto-Optic (11 companies)

Scanners, Bar-Code (See Bar-Code Readers)

Scanners, Electro-Optic (6 companies)

Scanners, Fiber Optic (See Fiber Optic Scanners)

Scanners, Flying Spot (1 company)

Scanners, Galvanometric (15 companies)

Scanners, Handheld (2 companies)

Scanners, Holographic (1 company)

Scanners, Image (See Image Scanners)

Scanners, Infrared (11 companies)

Scanners, Laser (37 companies)

Scanners, Optical (21 companies)

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Scanners, Polygon (See Mirrors, Polygonal; Motor Polygon Assemblies)

Scanners, Resonant (4 companies)

Scanners, Three-Dimensional (21 companies)

Scanners, Ultraviolet (3 companies)

Scanning Motors (See Motors, Scanning)

Scanning Systems (13 companies) (See also Bar-Code Readers; Character Recognition Systems)

Scanning Systems, Document (3 companies)

Scatterometers (7 companies)

Schlieren Optics (6 companies)

Schmidt-Type Optics (3 companies)

Scintillation Crystals (See Crystals, Scintillation)

Scintillation Detectors (See Detectors, Scintillation)

Screens, Diffusing--for Light Sources and Lenses (11 companies)

Screens, Front Projection (1 company)

Screens, Lenticular (2 companies)

Screens, Projection Television (1 company)

Screens, Rear Projection (2 companies)

Screens, Translucent (2 companies)

Seals, Metal-to-Glass or Other Dielectrics (23 companies)

Seals, Metal-to-Quartz (6 companies)

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Security Systems (See Cameras, Identification; Fiber Optic Security Systems; Laser Systems, Security and Surveillance)

Semiconductor Detectors (See Detectors, Semiconductor)

Semiconductor Materials (48 companies) (See also Crystals, Semiconductor)

Sensor Cards (See Infrared Sensor Cards)

Sensors (See Detectors; Fiber Optic Sensors; Image Sensors; Photoelectric Sensors; Position Sensing Equipment; Remote Sensing Equipment; Temperature Sensors; Vision-Based Sensors; Wavefront Sensors)

Servo-Control Systems (22 companies)

Servo-Positioning Systems (23 companies)

Servomotors (See Motors, Servo)

Shields, CRT (See Cathode-Ray Tube Shields)

Shields, Magnetic (10 companies)

Shields, Photomultiplier Tube (See Photomultiplier Tube Shields)

Short Arc Lamps (See Light Sources, Arc)

Shutters, Acousto-Optic (See Modulators and Deflectors, Acousto-Optic)

Shutters, Camera (7 companies)

Shutters, Electro-Optic (See Modulators, Electro-Optic)

Shutters, Electromechanical (9 companies) (See also Choppers)

Shutters, Fiber Optic (See Fiber Optic Shutters)

Shutters, Laser (9 companies)

Shutters, Manual (4 companies)

Shutters, Optical (13 companies)

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Shutters, Variable-Speed (6 companies)

Sidereal Mounts (See Mounts, Sidereal)

Signal Averagers (2 companies)

Signal Generators (See Fiber Optic Signal Generators; Generators, Light Pulse)

Signal Processing Software and Equipment (35 companies)

Signal-to-Noise Enhancement Systems (5 companies)

Silica (See Quartz and Silica, Fused)

Silicon (See Crystals, Silicon; Optical Materials)

Simulators, Electro-Optic (6 companies)

Simulators, Infrared (6 companies)

Simulators, Optical (6 companies)

Simulators, Solar (12 companies)

Simulators, Visual (3 companies)

Simulators, Weapon (See Laser Systems, Weapon Simulation)

Slicing and Cutting Machines For Crystals, Quartz, Glass, etc. (29 companies)

Slicing and Cutting Services For Crystals, Quartz, Glass, etc. (22 companies)

Slide Projectors (See Projectors)

Slides, Air-Bearing (7 companies)

Slides, Ball-Bearing (7 companies)

Slides, Cross-Roller (6 companies)

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Slides, Dovetail (2 companies)

Slides, Flexure (3 companies)

Slides, Positioning (13 companies)

Slides, Precision (13 companies)

Slits (See Apertures, Precision, Including Pinhole)

Slurries (See Abrasives, Optical; Polishing Compounds)

Software (See Electronic Design; Illumination Design; Image Analysis; Image Software Libraries; Laser Marking Software; Laser System Design Software; Mathematical; Manufacturing Control)

Solar Cells and Wafers (6 companies)

Solar Energy Collectors (6 companies)

Solar Photovoltaic Assembly Materials and Equipment (3 companies)

Solar Photovoltaic Systems (4 companies)

Solar Simulators (See Simulators, Solar)

Solar Tracking Systems (See Tracking)

Soldering Materials (2 companies)

Soleil-Babinet Compensators (See Babinet-Soleil Compensators)

Sources (See Light Sources; Radiation Sources)

Spark Gaps, Laser-Triggered (1 company)

Spatial Light Modulators (8 companies)

Speckle Pattern Systems (2 companies)

Spectral Analysis Software (19 companies)

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Spectrochemical Equipment (1 company)

Spectrofluorometers (17 companies)

Spectrographs (31 companies) (See also Spectrum Measuring Instruments)

Spectrometers, Atomic Absorption (4 companies)

Spectrometers, Atomic Emission (5 companies)

Spectrometers, Atomic Fluorescence (3 companies)

Spectrometers, Correlation (2 companies)

Spectrometers, Divided-Circle (1 company)

Spectrometers, Fiber Optic (48 companies)

Spectrometers, Fluorescence Spectrometers, Fluorescence Spectrometers, Fluorescence Spectrometers, Fluorescence (15 companies)

Spectrometers, Fourier Transform (16 companies)

Spectrometers, FTIR (21 companies)

Spectrometers, Infrared (35 companies)

Spectrometers, Laser Diode (15 companies)

Spectrometers, Laser-Induced Breakdown (LIBS) (8 companies)

Spectrometers, Mass (19 companies)

Spectrometers, Near-Infrared (56 companies)

Spectrometers, Nuclear Magnetic Resonance (3 companies)

Spectrometers, Photoacoustic (1 company)

Spectrometers, Raman (See Laser Systems, Raman Spectrometer)

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Spectrometers, Rapid-Scan (14 companies)

Spectrometers, Ultraviolet (47 companies)

Spectrometers, Visible (61 companies)

Spectrometers, VUV (16 companies)

Spectrometers, X-Ray (25 companies)

Spectrophotometer Cells (See Cells, Spectrophotometer)

Spectrophotometers, Atomic Absorption (1 company)

Spectrophotometers, Computer-Controlled (8 companies)

Spectrophotometers, Fluorescence (18 companies)

Spectrophotometers, Infrared (13 companies)

Spectrophotometers, Near-Infrared (21 companies)

Spectrophotometers, Photoelectric (1 company)

Spectrophotometers, Ultraviolet (26 companies)

Spectrophotometers, Visible (38 companies)

Spectrophotometry Services (11 companies)

Spectropolarimeters (2 companies)

Spectroradiometers (31 companies)

Spectroradiometers, Field Portable (24 companies)

Spectroreflectometers (7 companies)

Spectroscopic Accessories and Supplies (41 companies)

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Spectroscopic Standards (See Standards)

Spectroscopy Equipment, Photoacoustic (See Photoacoustic Spectroscopy Equipment)

Spectroscopy Systems (See Laser Systems, Spectroscopy)

Spectrum Analyzers (See Analyzers, Spectrum; Fiber Optic Spectrum Analyzers)

Spectrum Measuring Instruments, Infrared (22 companies)

Spectrum Measuring Instruments, Ultraviolet (23 companies)

Spectrum Measuring Instruments, Visible (33 companies)

Spectrum Measuring Instruments, X-Ray (6 companies)

Spheres, Integrating (See Integrating Spheres)

Spheres, Photometric (See Photometric Spheres)

Spherometers (6 companies)

Splicers (See Fiber Optic Splicing Equipment)

Sputtered Coatings (See Coatings, Optical)

Sputtering Equipment (52 companies) (See also Vacuum Equipment)

Sputtering Targets (5 companies)

Stage Micrometers (See Micrometers, Stage)

Stages, Linear (18 companies)

Stages, Motorized (19 companies)

Standards, Calibration (See Calibration Standards)

Standards, Optical (Color, Radiation, Radioisotope, Reflection, Spectroscopic) (9 companies)

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Standards, Particle Size (See Particle Size Standards)

Static Control Products and Materials (20 companies)

Statistical Quality Control Software (9 companies)

Stepper Motors (See Motors, Stepper)

Stereolithography Equipment (See also Rapid Prototyping Systems)

Stereolithography Services (1 company)

Stirling Cycle Coolers (See Coolers, Stirling Cycle)

Storage Equipment (See Gas Storage Equipment)

Storage Systems (See Image Storage Systems, Computer-Based; Optical Data Storage; Recorders, Data; Recorders, Videotape; Videodisc Recording)

Strain Measurement, Optical (See Gauges, Strain Measurement, Optical)

Stray-Light Analysis Software (6 companies)

Streak Cameras (See Cameras, Streak)

Strip-Chart Recorders (3 companies)

Stroboscopes (See Light Sources, Stroboscopic)

Substrates (71 companies)

Superluminescent Diodes (See Light-Emitting Diodes, Superluminescent)

Surface Analysis Laboratory Services (18 companies)

Surface Analyzers, (AES, XPS, SIMS) (12 companies)

Surface Profilers (30 companies)

Surface Quality Measuring Equipment (30 companies)

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Surveillance Systems (See Laser Systems, Security and Surveillance)

Surveying Instruments, Optical (11 companies)

Surveying Systems (See Laser Systems, Surveying)

Switches (See Fiber Optic Switches; Light-Emitting Diode Switches)