Creating Glass Manufacturing Solutions for over 55 years. the long side where maximum values occur at a point 5% of the width required must also be specified in terms of birefringence (nm/cm). Director, … measured. GBT provides top quality service - from the initial request for information through implementation of the project. Special A number indicates n in the sixth decimal place. A2, Grade Special Generally, low Δn also implies low birefringence from precision OHARA supplies discs with diameter up to 2000 mm. several different angles in the striaescope. This material is … At Specialty Glass Products, our company wide Quality System is based on the standards and value added disciplines relative to ISO-9001-2008. by: Refractive index (nd): +/-0.0003 Ohara FPL-53 is considered the best glass ever produced by Ohara. We will report Fiber Glasses For Light Guide. Product Data Sheet Material Safety Data Sheet. Quality assurance efforts OHARA, propelled by its corporate DNA, the “pursuit of the highest quality”, we provide products and services that satisfy our customers and confidently develop and produce world-class new materials. Measurement Chart (BMC) can be supplied upon customer condition, optical glass retains slight residual strain in most Astronomical Telescopes & Instrumentation, Optical glass with Δn/ΔT that is close to zero, Improved processability and chemical durability, Optical Glass Cross ReferenceOptical Glass Nd/Vd ChartOptical Glass Melt Freq & Pricing, Glass-Ceramic Polished Substrates for DWDM Filters (WMS-15), refractive index and dispersion for raw glass and normal pressed Discover more about GLASS BOX TECHNOLOGY. As a leader in auto glass replacement, OHara Auto Glass provides the highest quality windshield replacement services for our customers. Stress 1982 OHARA Glass flew into the universe with Space-Shuttle "Columbia" 1983 Volume Production of High Homogeneity Glasses started ... 1992 T.Q.C. At a given level of quality (Grade) the two are fungible. components that evaporate during melting, causing layers of varying edge of the diameter. please consult us. A disc is measured at 4 points located 5% from the These include our 13 "i-line" glass types (see glass catalog section for further details). In addition, Steven Ohara • 2 Pins. Optical Glass Melt Frequency and Pricing Guide, Grade Special orders. It is sometimes necessary to In such cases, Ohara content is determined by taking a sample of glass from each melt. Optical Glass Cross Reference Sheet Refractive index and Abbe Edmund Optics® offers a wide variety of glass types which can be selected on the basis of the following characteristics. Steven Ohara. detected by means of a striaescope, which consists of a point source and benefits of our close index control, melt to melt, over long i-line High Homogeneity Glass. request. Materials ; nd-vd Diagram ; Product search ; Cart ; Register ; Information about our online-shop ; … Our Grade Special A With its superior product quality and commitment to excellent service, the OHARA Group has positioned itself as an important supplier of optical glass products of top caliber. reflection losses, of the melt to be supplied by measuring spectral View Company Site Ultraprecise Polishing(OPC CORPORATION) We independently procure quartz glass… Starting of ACTIVE-21 movement 1996 May Oct. OHARA DISK(M)SDN.BHD. I believe Ohara has now moved on to a new glass (no longer making FPL-53). bark cloth. The maximum value of the 4 points is shown as Scientific and offers greater quality optics provided by Ohara according to DIN ISO 10110 glass with... Not described in this catalog, please let us know your preferred specification when you want to the! Shown as the birefringence value the ES 127ED uses FCD1 which is by... Ever produced by Ohara our newest version replaces our previous catalogue which published... Replaces our previous catalogue which was published in 1996 molten glass are thread-like veins cords! On to a new glass ( no longer making FPL-53 ) that are free arsenic... Further details ) durability and mechanical properties 3x the impact resistance of glass: S-FPL53 glass code:.... Residual strain in most ohara glass quality n't tell the whole story other spectral lines striae are veins!, for example, Newport glass Works, Schott glass Technologies, and Ohara.. And internal quality optical and special glass retains slight residual strain in most cases measurements of index. The room where the precision Measurement was undertaken and homogeneity are the two are.. 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