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Jinesh
Shah
Hi, We are interested in procuring LICGC memrane, SP-01 type with dimension 1 inch x 1 inch x 150 micron. Can you please suggest price for available pack? Waiting for your reply, Thanks and regards, Jinesh
1
Jarallah
Al Yasser
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1
Zilong
Liu
Hello, I am a representative from EVE Energy Co., Ltd. in Huizhou, China. I am delighted to further discuss LICGC ceramic glass with your company. Does this LICGC separator block all substances except lithium ions, such as electrolyte solvents (VC, EC, EMC, FEC, etc.) and byproducts (gases like H₂, CH₄, and solids like LEDC)? Is there a corresponding encapsulation technology available? I intend to use it for model batteries, similar to button cells, where the LICGC separator separates the positive and negative electrodes into two independent chambers. Are there any recommended molds or encapsulation technologies for this purpose?
1
Michalak Aleksandra
Michalak Aleksandra
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Antoniocrumb
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Vidvo
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1
Erika
Hooper
Hello, I hope this message finds you well. I am writing to submit documentation related to an inquiry and to confirm the appropriate email address for sending the file. Could you please advise on the correct address for submission, or let me know if there is a preferred method for sharing the document? If any additional information is required, I would be happy to provide it. Thank you for your time and assistance. I look forward to your reply. Best regards, Erika Hooper Business Development Manager IPEX, Inc. Phone: +1 (647) 209-6654 Email: erika@ipexas.com Website: www.ipexas.com
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На выходных скачать все сезоны русских сериалов свежие серии с торрента. К слову узнал про простой - сериальная платформа Цвет истории сериал 2023 1 сезон 1-1,2 серия скачать через торрент бесплатно на котором сериалы посерийно раздача доступна в высоком качестве. Понравилось, что без навязчивой рекламы, выбрал файл и этот вариант удобен для использования для iOS когда хочется сохранить на устройство надоело смотреть без скачивания. Вполне использовать для свободного времени без лишней возни.
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Kotter
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1
Oliver
Gutierrez Tinoco
Greetings, I am interested on your Lithium-Ion Conducting Glass-Ceramics (LICGC™) products. How can I know costs, conditions, etc. to get samples or purchase them? Thanks
Vrushabh
Shah
Hello, I am interested in the materials SFPL-53 and SLAL-12. What are the minimum sizes of the blanks that you have to offer? I also need to know the cost, lead time, and weight of each minimum size blank. Thank you.
Ganga
Neupane
looking for fused silica glass for plasma chamber window.
1
Havard
Braa
Hi, can you deliver quartz tubes with an outer diameter of 130mm and high optical quality? regards Havard Braa Submerged Norway
1
Subhan
Sahib
Dear Sir/Madam, We hope this message finds you well. Qatar Airways is pleased to announce the launch of its 2026/27 Expansion Program, aimed at engaging qualified Suppliers, Vendors, Manufacturers, and Contractors across multiple sectors. This initiative will strengthen our global vendor network and support our commitment to innovation, quality, and operational excellence. As an Official Partner of FIFA, Qatar Airways will play a key role in the 2026 FIFA World Cup and related global projects, creating valuable opportunities for collaboration. If your organization wishes to participate, please request the Vendor Application Form and submit your Expression of Interest (EOI) for evaluation. We look forward to the possibility of working together and building a lasting partnership. Best regards, Subhan Sahib Procurement & Logistics Manager WhatsApp: +971 55 247 9985 Qatar Airways
1
Xuan Hoa
Nguyen
I am looking for Germanium windows for product development in Vietnam. Pls advise your right contact for further details
1
Gloria
Spataro
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Anh
Nguyen
Dear Sir/Madam, Good day to you. This is Anh from Purchasing Division of Canon Vietnam. Currently, we have demand order item: RM2-5874-C25(S-NSL36 So, by this email I would like to survey your selling route. Could you check and share us some information by answer some question as below: 1. Would you like to direct business with Canon Vietnam? 2. Are there any sales companies with capital ties in your company? 3. Have you decided Agencies in our Region ? Would you list up them in ranking (multiple companies desirable) 4. If no Agency, please introduce a trading company that can be traded. 5.Do you agree with our payment term: TT on the 25th of the 2nd month after the month of receipt, For example: delivery in Mar, TT on 25/May? 6. Do you agree with trade term: FOB by ocean? 7. Can you submit surveys yearly such as Financial survey, sustainability survey, conflict mineral ? Really looking forward to hearing your news soon. Thank you so much.
1
Luna
Liang
Hi, this is Luna, material PD from Apple. We're looking for powdered glass with below specs. Can you let us know whether you have something similar in stock? RI = 1.558 CTE ~ 7.17 ppm softening point ~ 625-675 degree C Thanks!
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CrystalRig
CrystalRig
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Mitchell
Prieto
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Rivas
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Hamdin
Celik
Dear Sir or Madame, I hope this email finds you well. I am writing to inquire about the prices for Quartz glass SK-1300 - 30 pieces that your company manufacturing. Could you please provide me with the following information: 1. Price per unit/quantity 2. Minimum order quantity (if applicable) 3. Delivery time 4. Available payment methods 5. Any discounts or promotions currently available It would be greatly appreciated if you could send me the details as soon as possible, as I am comparing prices from different suppliers. Thank you for your attention. Best regards
1
Steven
Yang
would like to obtain ~1" diameter optical blanks for SK-1320L and SK-1300 Fused Silica glass. Please provide quote for quantity 2X each.
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Jessietam
Выбирал - у каждого продавца разные рекомендации. То "берите только импортную", то "местный производитель надежнее". Нашел базу с материалами, где эксперты тестируют плитку честно. Теперь хоть понимаю, что покупать Сайт
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OPTICAL PROPERTIES

2.5 Temperature Coefficient of Refractive Index

Temperature coefficient of refractive index 〔Δn relT

The refractive index of glass changes with temperature. The amount of change in the refractive index due to temperature changes is expressed as the temperature coefficient of the refractive index, and is defined by Δn / ΔT from the curve showing the relationship between the glass temperature and the refractive index. Δn / ΔT changes depending on the measurement wavelength and temperature range, so the Abbe number also changes with temperature.
There are two ways of showing the temperature coefficient of refractive index; one is the relative coefficient, Δnrel/ΔT (10-6 K-1) measured in dry air (101.3 kPa) at same temperature as the glass, and the other is the absolute coefficient ,Δnabs/ΔT (10-6 K-1) measured under vacuum.

The temperature coefficient of refractive index of each glass type is measured as Δnabs/ΔT according to ISO 6760-1 and from this value the Δnrel/ΔT value normally used in optical design is calculated. The relationship between Δn abs/ΔT and Δn rel/ΔT is given by the following formula.

Formula for temperature coefficient of refractive index of glass

n :Refractive index of glass sample (in air, 25 ° C)

OPTICAL PROPERTIES

2.7 Internal Transmittance

Internal transmittance 〔 τi(10 mm)〕

“Internal transmittance” refers to the spectral transmittance of the glass itself, not including reflection losses at the optical glass-air interface; it indicates the transparency of the glass. Most optical glasses absorb a substantial amount of light in the near-ultraviolet region. For some glasses, especially those with a high refractive index, this absorption range also extends into the visible range. This absorption is not only caused by the composition of the glass; it is also affected by impurities in the glass, and varies slightly from melt to melt.

The spectral transmittance (including reflection loss) is measured based on the JOGIS-17 standard at wavelengths from 280 nm to 2400 nm in a pair of glass samples with different distances through which transmitted light passes. Then, the internal transmittance 〔τ<sub>i</sub>(10 mm)〕 at a glass sample thickness of 10 mm is calculated from the measurement data.

OPTICAL PROPERTIES

2.10 CCI (Color Contribution Index)

CCI

CCI (Color Contribution Index) is an index for predicting how much the color of a photograph taken using a certain lens system changes compared to the original color, due to the spectral characteristics of the lens. It is indicated by a set of 3 numbers for blue (B) / green (G) / red (R). Ohara uses this index to predict how much the color will change as a single glass element. For the measurement method, refer to JIS B 7097 “How to express the color characteristics of a photographic lens by the ISO color characteristic index (ISO / CCI)”. The numbers shown are calculated using the sum of the values of the internal transmittance of the glass sample every 10 nm and the average color film weighted spectral sensitivity, described in JIS. For example, B / G / R of 0/3/5, is shown in Fig. 4 in trilinear coordinates.

CCIE
OPTICAL PROPERTIES

2.2 Dispersion and Abbe Number

Dispersion and Abbe Number

Dispersion refers to the phenomenon arising from a variation in the refractive index depending on the wavelength. Here, nF-nC and nF’-nC’are displayed as the main dispersion. The Abbe number is an index of the magnitude of the variance and is also called the inverse dispersion rate. The larger the variance, the smaller the Abbe number.

Abbe Numbers Calcuation

The glass type data sheet indicates the dispersion, calculated from the refractive index to six decimal places . Abbe number is indicated to two decimal places, this is the result of the calculation from nd to six decimal places and the principal dispersion to six decimal places .

Two decimal places: This is the result of calculation from nd to six decimal places (with seven effective digits) and the principal dispersion to six decimal places (with four or more effective digits).

OPTICAL PROPERTIES

2.6 Relational Constant for Temperature Coefficient of the Refractive Index

Relational constant for temperature coefficient of the refractive index

The temperature coefficient of the absolute refractive index of glass for wavelengths not listed in the data sheet can be calculated as a function of wavelength and temperature. Ohara uses the following equation.

Equation for Temperature Coefficient of absolute refractive index of glass
(λ,T0) Refractive index at reference temperature
0 Reference temperature (°C) (Ohara defines this as 25°C)
T: Target temperature (°C)
λ: Vacuum wavelength (μm)
D0D1 D2E0 E1、λTK Constant (listed in the data sheet)

To determine the temperature coefficient of the relative refractive index, refer to the equation given in the previous section, “Temperature coefficient of the refractive index”.

OPTICAL PROPERTIES

2.1 Refractive Index

Refractive Index

When light enters the glass, it slows down inversely proportional to the refractive index compared to in a vacuum or in air. The refractive index of optical glass is usually expressed as the speed ratio of light in the air to themedium (glass sample).

The refractive index is measured by sending a predetermined wavelength of light into the sample and measuring theminimum deviation angle of the emitted light bent by refraction, according to JIS B 7071-1. For the 20 spectral lines shown in the table below, numerical values are shown to five decimal places. The refractive indices (principal refractive indices) for d-line (587.56 nm) and e-line (546.07 nm) are also shown to six decimal places.

Spectral Line Symbol t
Light Source Hg Hg Hg Hg Hg
Wavelength (nm) 2325.42 1970.09 1529.58 1128.64 1013.98
Spectral Line Symbol s A′ r C C′
Light Source Cs K He H Cd
Wavelength (nm) 852.11 768.19 706.52 656.27 643.85
Spectral Line Symbol He-Ne D d e F
Light Source レーザー Na He Hg H
Wavelength (nm) 632.8 589.29 587.56 546.07 486.13
Spectral Line Symbol F′ He-Cd g h i
Light Source Cd レーザー Hg Hg Hg
Wavelength (nm) 479.99 441.57 435.835 404.656 365.015
OPTICAL PROPERTIES

2.4 Disperson Formula Constant

The refractive index for wavelengths not listed in the data sheet can be calculated using the dispersion formula. The Sellmeier equation is used as a practical dispersion formula, as detailed below.

Sellmeier Equation
n : Refractive index to be calculated
λ : Arbitrary wavelength (μm)
A1、A2、A3、B1、B2、B3 Constant (listed in the data sheet)

Using this dispersion formula and the constants for each glass type, the refractive index of any wavelength in the standard measurement wavelength range (365 to 2325 nm) can be calculated with a calculation accuracy of ±5×10<sup>-6</sup>. However, for glass types for which the refractive indices for the entire standard measurement wavelength range are not listed in the data sheet, the applicable wavelength range of the dispersion formula is limited to the refractive index range listed in the data sheet.

OPTICAL PROPERTIES

2.8 Coloring

Coloring

Coloring refers to the degree of coloration of the optical glass and is determined by measuring the spectral transmittance, including reflection losses, for a glass sample with a thickness of 10 mm, according to JOGIS-02. From the spectral transmittance curve (Fig. 3), the wavelengths showing the transmittance of 80% and 5%, respectively, are rounded and displayed in 5 nm units. We use this rounding method: the range 0 nm to 2 nm counts as 0 nm, the range 3 nm to 7 nm counts as 5 nm, the range 8 nm to 10 nm counts as 10 nm . For example, if the wavelength with 80% transmittance is 403 nm and the wavelength with 5% transmittance is 357 nm, the coloring is shown as 405/355.

Optical Glass Coloring

For glass types with a high refractive index, nd ≥ 1.84, the reflection loss is large, so the wavelength showing transmittance of 70 % is used, instead of 80 %, and the value is shown in paranethesis. For example, (415).

OPTICAL PROPERTIES

2.9 Internal Transparency

Internal transparency〔λ0.800.05

As a simplified indicator of coloring, the wavelength values in nm at which
the internal transmittance of a 10 mm thick glass sample is 0.80 and 0.05
are indicated.

OPTICAL PROPERTIES

2.3 Partial dispersion ratio and anomalous dispersion

Partial dispersion ratio 〔θx, y〕 and anomalous dispersion 〔Δθx, y
Anomalous dispersion refers to how far away a glass is from the trend line between the partial dispersion ratio θx, y = (nx-ny) / (nF-nC) for wavelengths x and y and the Abbe number νd. In optical design, glass with anomalous dispersion is required to enable color correction of the secondary spectrum.
Therefore, we have released the θg, Fd diagram and the θC, td diagram as means to show the relationship between θx, y and νd of each glass type. In order to numerically express the anomalous dispersibility, 511605 (NSL 7) and 620363 (PBM 2) are used as reference glasses, and the straight line connecting these two glass types is considered the “normal” line. The difference between the “normal” line and the vertical coordinates θx, y of each glass type is calculated as anomalous dispersion Δθx, y (Fig. 2). In this catalog, the partial dispersion ratio is θg, F and θC, t, and the anomalous dispersion is Δθg, F and ΔθC, t.

Although NSL 7 and PBM 2 are not currently produced by Ohara, the conventional NSL 7 and PBM 2 values ​​(Table 2) are used as the reference values.

Reference Values

θc,t
θC,A'
θg,d
θg,F
θi,g
vd
NSL 7
0.8305
0.3492
1.2391
0.5436
1.2185
60.49
PBM 2
0.7168
0.3198
1.2894
0.5828
1.4214
36.26

g,Fd図とΔθg,F

2.3 Chart