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Dose attenuation plots for your radiation resistant glass for comparison with SiO2 for optical diagnostic windows to a fusion device

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I was looking at getting some more information on the radiation resistant glass, we are looking at testing the glass against neutron and gamma radiation and need to see it is suitable for our purposes.

Where is a good address to send NDA prior to RFQ?

Greetings, we are seeking the formal quotation for the procurement of SRM 2241a Glass Units. Please see the requirements below: Project Overview: Item: SRM 2241a Glass Units Delivery Address: National Institute of Standards and Technology (NIST), 100 Bureau Drive Gaithersburg, MD 20899 Key Technical Specifications The design, manufacture, and delivery must meet or exceed: 1. Product Specifications Composition (Exact % by weight): Oxide Weight % SiO₂ 67.35 Na₂O 6.95 B₂O₃ 25.65 Cr₂O₃ 0.05 Dimensions: 200 units, each 10.0 mm ±0.1 mm × 10.0 mm ±0.1 mm × 1.65 mm ±0.05 mm. Surface Finish: One 10 mm × 10 mm face polished (scratch-dig: 20-10; flatness: ≤4 fringes at 633 nm). Opposite face frosted (RMS roughness: 1–3 microns; 400 grit alumina). Optical Performance: Absolute emission intensity ≤10% deviation from SRM 2241 reference (200–3500 cm⁻¹ Raman shift). Normalized emission spectrum ≤5% deviation from SRM 2241 reference. Spatial homogeneity ≤5% intensity variation (spot size ≤10 μm). 2. Manufacturing & Quality Requirements Melt temperature ≥1415°C; stress-free annealing (verified via polarized light). Zero defects: No bubbles, stria, or inclusions. Lot homogeneity: ≤2% RSD in emission spectra across all 200 units. Pre-shipment validation: Full spectral dataset (machine-readable format) and Certificate of Analysis confirming compliance. 3. Submission Requirements Materials: Digital cut sheets/specifications + physical samples (if requested). Spectral Data: Raw/processed emission spectra used for validation (PDF + Excel/ASCII). Submission Requirements Itemized Pricing: Breakdown for: Glass production Polishing/finishing Testing/validation Shipping to NIST Delivery Schedule Payment Terms Lead Time Looking forward to your response.

Good day, My name is Larry Hamilton. I would like to order the 30" x 30"x1/4"Thickness clear Glass. Kindly email me with a total pickup price of 50PCs.I will like you to send me an email response with the picked up price for this sizes. I will like to know your forms or terms of payment you do accept. Thank You. Larry Hamilton.

Hello, I am interested in using your fused silica SK-1300 series for material for lenses in a telescope I am designing. I need to assure the performance of the telescope in a temperature range 0-40ºC, so I need to calculate the refractive indices for the glass in this temperature range. I am looking at the datasheet for the SK-1300 series and I am only finding temperature data for the refractive index specified from 20-25ºC. Do you have the data for my wider 0-40ºC temperature range? Perhaps the constants D0 D1 D2 E0 E1 for the commonly-used equation used to calculate the refractive index for different temperatures.

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Hello, I will be using your glasses for an optical design for space application. One of our design requirements is that all the materials (thus, glasses included) have low outgassing properties, specifically TML < 1% with a CVCM of < 0.1% and a WVR < 1% or better. I have seen in the NASA database for some OHARA materials that they have 0% TML 0% CVCM. Can you verify that your glasses meet the requirements I mentioned?

Good Afternoon, At present we are currently undertaking a project that requires the use of S-FSL5 glass. Specifications include a glass density of 2.45 g/cc and a CTE of glass 8.4 ppm/K. We would ideally be looking to order wafers with the following dimensions: - Diameter 150mm - Wafer thickness: 500um If you are able to provide this type of glass, please can you indicate the costings and lead-times for orders of x5 off, 20off and 50off wafers. If you have any questions, please do not hesitate to get in contact. Many thanks and kind regards, Ben

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Dear Sir This is Linda at Wave Optics Co.,Ltd from China Beijing. We are a professional distributor of providing O-E technology support and import the advanced products for the domestic universities research institutions and enterprise. One of our customers would like to custom optics. Best regards Linda

We are an academic research group in the US looking to determine the refractive index of NaEu(IO3)4. We have powder, or could send thin flakes of dimensions greater than 100um x 100um. This is the only sample that we need tested, and would likely be a one-time need. If possible, we would like to like to have our sample tested in the US. We would like to have this conducted as soon as possible. Thank you, Evan Hutson

Dear Sir This is Linda at Wave Optics Co.,Ltd from China Beijing. We are a professional distributor of providing O-E technology support and import the advanced products for the domestic universities research institutions and enterprise. One of our customers would like to custom optics. Please see the attached drawing. Would you please check whether we can offer and quote ? Best regards Linda

I am currently looking for glass spheres with a diameter of 5 mm and a refractive index between 1.5 and 1.6. Additionally, I would prefer materials with both a glass transition temperature (Tg) and an annealing temperature (At) below 600°C. Could you please let me know if you have any products that meet these specifications? I would also appreciate it if you could provide information on the minimum order quantity, pricing details, and any available technical datasheets. Furthermore, I would be grateful to learn about lead times and shipping options. Thank you very much for your time and assistance. I look forward to your response.

We have requirement of high quality glass mould or slabs

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What is the minimum order for 2 to 3MM BSL7 What size are they sold in. We need to make 25.4 mm dia disks.

Good day, I hope your week has been smooth so long. We collect medical grade glass from hospitals (Borosilicate glass). We would like to know if you accept this glass for recycling purposes? - Would you prefer that we sterilise it first, and then send it to you? - Would you prefer that we sterilise it, then crush it, and then send it to you? - Would you prefer that we just collect it, and then send it as is to you? - The clinical medial glass vials do have rubber stops, aluminium caps, and labelling on them ; would you want those additional materials for you to upscale / recycle yourselves? Or would you prefer that we remove everything from the clinical glass vials, and just send you the glass by itself? Thank you for your time, and looking forward to your response. Regards,

dear sir or madam, we are a dicing company which develop dicing blade. we are looking for WMS™-15 substrate 1.1mm thickness with size of about 100X100mm. is it 'off the self' product? what is the cost? what is the lead time

Dear Researcher, Coalesce Research Group is delighted to organize the” 11th International Conference on Advanced Nanotechnology and Nanomaterial’s” which will be held during March 30-31, 2026 at Tokyo, Japan. Nano 2026 presents a multifarious platform: Oral/Keynote/Plenary/Poster/Exhibitor/E-poster/Video/Workshop. Conference link: https://nanomaterialsconference.com/ Kindly let us know your interest of participation at Nano 2026 Thanks & Regards, Cathy Allen