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Photonics Buyers' Guide
Sub-Miniature Optical Scanners for High Volume Dedicated Applications
Plastic Sheet Lenses and Molds
Custom Advanced Optical Components
Manufacturing and Coating Services
Optics that Span the Spectrum
High-Energy Laser Mirrors
Hellma USA, Inc., Sub. of Hellma GmbH & Co. KG - Plainview, NY
Manufactures and supplies Hellma cells, fiber optic probes, photometric calibration standards, flat and cylindrical optics and accessories for lasers, spectrophotometers and fluorometers. Supplies Heraeus light sources including vacuum UV, deuterium, hollow cathode, PID spectral calibration and...
Japan Cell Co., Ltd. - Machida, Japan
Fabricates adhesive-free sapphire, quartz and glass optics such as flow cytometry cells, ultrahigh vacuum cells for analysis and research. Also supplies drum lenses and fly eye lenses for inspection and exposure systems for semiconductor and flat panel display manufacturers.
Triad Technology Inc. - Longmont, CO
Supplier of precision gas and vapor wavelength reference cells, wavelength calibration devices, wavelength locking equipment, external cavity tunable laser systems and stabilized laser systems. Inventory includes standard reference cells and select laser diodes used in tunable laser systems.
Andrews Glass Co., Inc. - Vineland, NJ
Cecil Instruments Ltd. - Cambridge, England
Harrick Scientific Products, Inc. - Pleasantville, NY
Infrared Analysis, Inc. - Anaheim, CA
International Crystal Laboratories - Garfield, NJ
Intrinsic Crystal Technology Co., Ltd. - Qinhuangdao, China
NSG Precision Cells, Inc. - Farmingdale, NY
Secomam, Xylem - Ales, France
Specialty Glass Products - Willow Grove, PA
SpectrEcology, LLC - Jasper, GA
Tintometer, Lovibond - Amesbury, England
Vitro Technology, Ltd. - Milford, CT
World Precision Instruments, Inc. - Sarasota, FL
1. A single unit in a device for changing radiant energy to electrical energy or for controlling current flow in a circuit. 2. A single unit in a device whose resistance varies with radiant energy. 3. A single unit of a battery, primary or...
An instrument for measuring spectral transmittance or reflectance.
An instrument that spectrally analyzes the flux reflected from a material. The reflected flux may be total, diffuse or specular. Often the instrument measures the reflectance factor instead of the reflectance.
light intensity of wavelength
measure spectral transmittance
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