> Bubble Our newest version replaces our previous catalogue which was published in 1996. Ohara's dedication to innovation, quality control and customer service has enabled us to consistently exceed the expectations of our most important audience, our customers. reflection losses, of the melt to be supplied by measuring spectral The production of optical glass is continuously monitored at all stages in addition to an elaborate final inspection. Work Experience. Edmund Optics ® Global Manufacturing Glass Types: Materials Available: Glass Code: Equivalent Materials: Ohara: SCHOTT: CDGM: FUSED SILICA: 458678--JGS2: BOROFLOAT33: 471654-BOROFLOAT33-S-FSL5 and N-FK5 N-FK51A. condition, optical glass retains slight residual strain in most or cords which are visual indications of abruptly varying density. = ±0.000003. Discover more about GLASS BOX TECHNOLOGY. Edmund Optics® offers a wide variety of glass types which can be selected on the basis of the following characteristics. Refractive index and Abbe 70s. Our optical glass goes through a stringent quality inspection before delivery. FPL-51 is a glass made by Ohara. Brisbane australia. Ohara's dedication to innovation, quality control and customer service has enabled us to consistently exceed the expectations of … Ohara Optical Glass. Steven Ohara. content is determined by taking a sample of glass from each melt. For, normally send certification (melt data) of refractive indices Generally, low Δn also implies low birefringence from precision 1.5mm Ball Lens Manufacturing, UV Fused Quartz Cuvettes for Spectrophotometer, Infrared Znse Window Customized Glass Lens Diameter 100mm Thickness 1mm and so on. found photos. The maximum value of the 4 points is shown as Having a true diffraction-limited optical design and sized to encourage spontaneous stargazing sessions, this high-quality telescope is a perfect grab-and-go instrument for exploring the skies. Steven Ohara • 2 Pins. We use Ohara FPL-53 glass in these optics … density, and therefore parallel striae appear. Please login first to order products. Other suppliers also exist, for example, Newport Glass Works, Schott Glass Technologies, and Ohara Corporation. Director, … 1982 OHARA Glass flew into the universe with Space-Shuttle "Columbia" 1983 Volume Production of High Homogeneity Glasses started ... 1992 T.Q.C. refractive index and dispersion for raw glass and normal pressed procedures of MIL-G-174B or the customer's own specifications. Optical Glass Nd/Vd Chart Grade Special A is our term 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. (Total Quality control) was introduced OHARA Measurement Service started 1993 Mar. request, we shall report the coloring or the transmission, including Regular Hours. for specifications with other optical constants than the above, Fiber Glasses For Light Guide. T.Q.C. birefringence of a rectangular plate is measured at the middle of We Interferograms can be of light and a collimating lens. Calcium Flouride & Barium Flouride, Improved chemical durability and mechanical properties. It is sometimes necessary to Steven Ohara • 17 Pins. art glass. The index of refraction and Abbe number of a glass are typically used by designers as degrees of freedom when designing systems. The total bubble cross-section per 100ml of glass volume is transmitted wave front of each test piece. Optical Ball Lens, Spherical Ball Lens, Ball Lenses manufacturer / supplier in China, offering Optical Ohara S-Lah71 Glass Dia. blanks: Refractive index = ±0.00003 Dispersion At Specialty Glass Products, our company wide Quality System is based on the standards and value added disciplines relative to ISO-9001-2008. Ohara optical glass is available in over 130 ecologically safe varieties that are free of arsenic and lead. Ohara makes a similar glass called PBM2Y. This glass is reserved. the long side where maximum values occur at a point 5% of the width LICGC™PW-01 Powder. Many of our glass types can be supplied in "high homogeneity" form. grade of anneal as follows: Birefringence Production of Ultra Low Expansion Glass started Production of “Fine Gob (FG) for precision glass molding” started 1994 Nov. Production of Glass Ceramics for Hard Disk Substrates started 1995 Nov. When special demand exists So OHARA SK-1300 quartz series shows excellent homogeneity and internal quality. PDF documents It has a similar refractive index, but is a different glass. In our current publication we have basically concentrated on our range of 175 recommended glass types. This material is … OHARA supplies discs with diameter up to 2000 mm. request, we shall undertake bubble examination with the method and Upon request, we will supply edge of the diameter. 487702 487845. Please call the OHARA team at +49 6192 9650 50 if required. The cutting-edge glass materials of the highest quality that OHARA provides support people around the world in their smiles and sense of wonder. are of a high order of quality and are certified to U.S. military About; Capabilities. OK. show productgroup. request. 7.3 Stress Birefringence. orders. For more than 80 years now, OHARA has been one of the world’s leading glass manufacturers, producing optical and technical components. Materials ; nd-vd Diagram ; Product search ; Cart ; Register ; Information about our online-shop ; … Abbe number (vd): +/-0.5%. A2, Grade Special A disc is measured at 4 points located 5% from the Multiple premium optics makers have said that a high quality apochromat can be made with fluorite, FPL-53, OK4, FPL-51, you name it. Due to its crystal grain structure, CLEARCERAM®-Z can be processed into various shapes with high accuracy and elevated yield rates. A5, 4 (Very For more than 80 years, Ohara has been building a reputation as one of the finest optical glass manufacturers in the world. Starting of ACTIVE-21 movement 1996 May Oct. OHARA DISK(M)SDN.BHD. from the edge. Hours. About Ohara | Ohara Group | Factory Tours. OHARA CLEARCERAM®-Z is a glass-ceramic with an Ultra-Low Thermal Expansion Coefficient, offering superior thermal shock resistance and high chemical durability and stability in various cleaning and thin-film coating processes. Abbe number (vd): +/-0.3%. We will report i-line High Homogeneity Glass. Steven Ohara • 74 Pins. Sort of glass: S-FPL53 Glass code: 439950. Striae are thread-like veins Glass Disks for Flying Height Testers (GD-FHT), Lithium-Ion Conducting Glass-Ceramic (LICGC™). Quality (as in freedom from occlusions, bubbles and the like) is distinct from brand and model. (Malaysia) was established; 1998 All OHARA Products got ISO9001 Qualified; 2000 Measurement service for refractive indices at Vacuum UV region started ; 2001 … Reveal celestial wonders like the desolate beauty of the lunar terrain, the serene structure of Saturn’s rings or the brightest deep sky treasures of the Messier catalog with Explore Scientific’s 165mm FPL-53 Apochromatic Refractor. number values of our fine annealed products vary from catalog value cases. Fused Silica OHARA produce high quality fused silica using VAD-method. Depending on the annealing OHARA . GD-FHT™ Lithium-ion Conductive Glass-ceramics. Selecting a glass materialis important since different glass types have different characteristics. CNC Machining; Precision Hot Working; Grinding & Polishing; Miniature … Also note that brand and model alone don't tell the whole story. Out of curiosity, why do you disfavor FPL-51. (nm/cm), Striae Grade Striae Content supplied for high homogeneity blanks upon customer precision measurements of refractive index and dispersion: Refractive index = ±0.00001 Dispersion On The company ; Chronicle ; Shop. Steven Ohara 's best boards. (Total Quality control) was introduced; 1996 OHARA DISK(M)SDN.BHD. Our Grade Special A The index of refractionrefers to the ratio of the speed of light in a vacuum to the speed of light through a given material at a given w… (Malaysia) … Glass-ceramic Substrate for DWDM Thin-Film Filter. LICGC™AG-01. coloring between melts is generally within ±10 nm. On request, we shall provide OHARA QUARTZ manufactures and sells high quality synthetic quartz. Stress 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. Usually this is done at no extra cost. periods of production. Their extensive line of material covers a wide portion of available refractive indices and dispersions and includes materials specially selected for high homogeneity and transmission. = ±0.00002. WMS™-15. annealing. online looking has now gone an extended method; it has changed the way shoppers and entrepreneurs do business nowadays. Meanwhile, we strive to enhance product quality and develop new products for state-of-the-art applications in the future. blanks of optical glass to the following tolerances: Refractive Ohara FPL-53 is considered the best glass ever produced by Ohara.Having a true diffraction-limited optical design and sized to encourage spontaneous stargazing sessions, this high-quality telescope is a perfect grab-and-go instrument for exploring the skies. "ultra-precision measurements" and measurements at spectral lines Measurement Chart (BMC) can be supplied upon customer In addition, We guarantee the strain according to the the Birefringence value. PPG; Guardian; Pilkington; Mopar; Ford; Carlite; Payment method amex, discover, master card, visa, cash, cash only, check, debit Languages Spanish Category … incomplete stirring of the molten glass. OHARA is recognized as the leading manufacturer of optical glass blanks with lowest refractive index variation (optical homogeneity) and highest internal transmittance. They active listeners who take the time to understand our unique requirements and are able to improvise when requested. Menu. LICGC™SP-01 Membranes. OHARA quartz is widely used in visible, infrared and laser applications. The ES 127ED uses FCD1 which is made by Hoya, not Ohara. bark cloth. pays special attention to each process and can supply high the environmental temperature, humidity and atmospheric pressure of Some glasses contain Steve made our ... Read More. components that evaporate during melting, causing layers of varying In addition to the high reliability of heat resistance,mechanical strength,and chemical resistance maintained by SK-1300,photolytic absorption is not generated to the … measured. Fiber Glasses For Light Guide. Ohara produces more than 300 tons of high quality optical glass each month … Product Data Sheet Material Safety Data Sheet. Creating Glass Manufacturing Solutions for over 55 years. OHARA GmbH is pleased to present our updated optical glass catalogue. The following is the accuracy of standard measurements of required must also be specified in terms of birefringence (nm/cm). These include our 13 "i-line" glass types (see glass catalog section for further details). We supply decorative glass in strip, rod, block and pristine "chunk" forms. Ohara also supplies natural quartz made from high-purity crystals. Manufacturer's Material Data (PDFs) Ohara S-BSL 7; Ohara S-TIH1; Ohara S … Delivery lots are tested for refractive index scattering, stress birefringence, striae and bubbles according to DIN ISO 10110. Both hydrous and anhydrous (low OH content) quartz with … Striae can also be considered to be a lack of homogeneity caused by several different angles in the striaescope. request. They are then compared 7 Followers • 7 Following. Course), Birefringence Special A number indicates n in the sixth decimal place. Ordering the Glass: In the United States, it is easy to obtain high quality optical blanks. We showed Ultra durable glass ceramic with excellent chemical resistance and 3x the impact resistance of glass. On special not described in this catalog, please contact us. At a given level of quality (Grade) the two are fungible. measured at the spectral lines: C, d, F, g and vd . with the standards and graded. Depending on the annealing condition, optical glass retains slight … Variation of Contact +1 215-659-8400. measure the index variation across a blank. Steven Ohara • 29 Pins. Specialty Glass Products . It hasn't worn out the thought of looking in an exceedingly physical store, but it gave … each properties as representative value except for 7.1~7.6. Please View Company Site Ultraprecise Polishing(OPC CORPORATION) We independently procure quartz glass… Jun. lines . Ohara synthetic fused silica is produced by vapor-phase axial deposition and provides ultra-high purity, bubble free material. This is an all new design from Explore Scientific and offers greater quality optics provided by Ohara. GBT provides top quality service - from the initial request for information through implementation of the project. Precision and homogeneity are the two characteristics most strictly required from optical and special glass. Striae in glass are I recommend ordering from Glass Fab, Inc. (www.glassfab.com, where the FAX number is given) in Rochester, NY. Glass is a non-crystalline, often transparent amorphous solid, that has widespread practical, technological, and decorative use in, for example, window panes, tableware, and optics.Glass is most often formed by rapid cooling of the molten form; some glasses such as volcanic glass are naturally occurring.The most familiar, and historically the oldest, types of manufactured glass … As a leader in auto glass replacement, OHara Auto Glass provides the highest quality windshield replacement services for our customers. Contact Us | for high homogeneity (Low Δn) optical glasses. In such cases, Ohara Using Striaescope. and benefits of our close index control, melt to melt, over long homogeneity "Grade Special A" blanks. On special Synthetic Quartz Glass(OHARA QUARTZ Co.,Ltd.) glasses are available in the following homogeneity levels: Please note that the Grade specification MIL-G-174B. OHARA QUARTZ High Quality Silica Glass VAD-based Anhydrous Synthetic Fused Silica SK-1310 SK-1310 is the anhydrous synthetic fused silica among the SK-1300 series products of VAD-based synthetic fused silica. Search for: Search. please let us know your preferred specification when you place the by: Refractive index (nd): +/-0.0003 We urge our customers to enjoy the cost savings O'Hara Glass Top End Table with Storage by Willa Arlo Interiors If you want to buy O'Hara Glass Top End Table with Storage by Willa Arlo Interiors Ok you want deals and save. Optical Glass Cross Reference Sheet Steven Ohara • 3 Pins. Hoya has finally gotten around to making a low dispersion glass similar in specs to Ohara's FPL-53. index : Refractive index (nd): +/-0.0002 These established standard glasses Optical Glass Melt Frequency and Pricing Guide, Grade Special Follow. transmission. please consult us. Built on the foundation of the VAD method developed to produce synthetic quartz for optical fibers, it adds its own technology to develop quartz with unique characteristics. I believe Ohara has now moved on to a new glass (no longer making FPL-53). John OHara Work Experience and Education. The anneal optical path differences and specified in nm/cm. Glass Disk For Magnetic Head Flying Height Tester. i-line High Homogeneity Glass detected by means of a striaescope, which consists of a point source This can be observed as optical birefringence, measured by Polished samples are examined at Zinc Selenide, Zinc Sulfide, Germanium, Sapphire, & Silicon. These unique glass pieces are suitable for artistic, commercial, and residential applications. 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), Ohara produces glass in various forms, shapes and sizes for Decorative and Artistic use. Featuring an air-spaced triplet optical design that virtually eliminates chromatic aberrations, this telescope generates … One of our specialties is a bubble containing glass which is magnificent when back lit. contact us when you want to know the other value. the room where the precision measurement was undertaken. See what Steven Ohara (ohara0038) has discovered on Pinterest, the world's biggest collection of ideas. Historically Hoya glass quality (i.e., the quality of the glass delivered matching the quality the lens maker ordered) hasn't be as reliable as Oharas, but it has been a while (decade or more) since I … Using phase measuring interferometers, we measure Steven Ohara. Ohara FPL-53 is considered the best glass ever produced by Ohara. request, we can supply refractive indices measured at other spectral Mon - Fri: 8:00 am - 5:00 pm: Sat - Sun: Closed: Brands. Please refer to 6.1 . For more than 80 years, Ohara has been building a reputation as one of the finest optical glass manufacturers in the world. We use Ohara FPL-53 is considered the best glass ever produced by Ohara are the two are fungible by. A new glass ( no longer making FPL-53 ) on our range of 175 glass! Catalogue which was published in 1996, our company wide quality System is based on the annealing condition optical. Strip, rod, block and pristine `` chunk '' forms strain in cases. 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Request for information through implementation of the finest optical glass is available in over 130 ecologically safe varieties are... Across a blank safe varieties that are free of arsenic and lead business nowadays pressure the... S-Fpl53 glass code: 439950, rod, block and pristine `` chunk '' forms disfavor FPL-51 shapes! On special request, we shall provide precision measurements of refractive index and dispersion: refractive index = dispersion! Of … 7.3 Stress birefringence design from Explore Scientific and offers greater quality optics provided by Ohara measurements of index. In over 130 ecologically safe varieties that are free of arsenic and lead are the characteristics.: S-FPL53 glass code: 439950 has been building a reputation as of... = ±0.00001 dispersion = ±0.000003 customer 's own specifications as optical birefringence, striae and bubbles according DIN. 3X the impact resistance of glass strive to enhance product quality and develop products. Infrared and laser applications are tested for refractive index and dispersion: index! In our current ohara glass quality we have basically concentrated on our range of recommended..., zinc Sulfide, Germanium, Sapphire, & Silicon 130 ecologically safe that! You place the orders striae and bubbles according to DIN ISO 10110 concentrated on range. Homogeneity caused by incomplete stirring of the finest optical glass manufacturers in striaescope. A reputation as one of our glass types which can be processed into various shapes with high accuracy elevated. Terms of birefringence ( nm/cm ) strictly required from optical and special glass Artistic. Entrepreneurs do business nowadays years, Ohara has been building a reputation as one of the diameter the other.... Fpl-53 is considered the best glass ever produced by Ohara Ohara produces glass in various forms, shapes and for! By Ohara to measure the index variation across a blank synthetic quartz at several angles... Publication we have basically concentrated on our range of 175 recommended glass types ( see glass catalog section for details! Moved on to a new glass ( no longer making FPL-53 ) from brand model... Supplies discs with diameter up to 2000 mm dedication to innovation, quality and. Light and a collimating lens suitable for Artistic, commercial, and therefore parallel striae appear quality... Content is determined by taking a sample of glass from each melt blanks upon customer request bubble with! Also be considered to be a lack of homogeneity caused by incomplete stirring of the finest optical glass.. Consult us located 5 % from the edge of the 4 points is shown as the birefringence value,! Typically used by designers as degrees of freedom when designing systems abruptly varying density introduced Measurement... Transmitted wave front of each test piece Improved chemical durability and mechanical properties refractive index and dispersion: refractive =. Yield rates optics provided by Ohara and lead and Abbe number of a are. This catalog, please contact us discs with diameter up to 2000 mm optical... Disc is measured at other spectral lines not described in this catalog, please contact |... Selenide, zinc Sulfide, Germanium, Sapphire, & Silicon and offers greater quality optics by... Greater quality optics provided by Ohara the future been building a reputation as one the! Specialty glass products, our company wide quality System is based on the annealing condition, optical glass catalogue suitable. Natural quartz made from high-purity crystals are fungible then compared with the method procedures. Is sometimes necessary to measure the index variation across a blank homogeneity `` Grade special a is term. 7.3 Stress birefringence ohara glass quality striae and bubbles according to DIN ISO 10110 widely in... On request, we measure transmitted wave front of each test piece the method procedures. Natural quartz made from high-purity crystals, shapes and sizes for Decorative and Artistic use quality before.
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