Calcium Fluoride (CaF2) Optical Wafers All Grades

university wafer substrates

Recent CaF2 Wafer Sales

Below are just a few of our most recent CaF2 Sales purchased by scientists.

100mm CaF2 wafers 0.5 mm thick, DSP, intrinsic.
Qty 1

100mm CaF2 wafers (100) or (111) 2mm thick DSP

Qty: 5 pcs

Calcium Floride (CaF2) Grades

Grade Transmission Quality
Infra-Red Grade  0.40μm to 10.0μm  Medium purity
UV Grade  0.19μm to 10.0μm  High purity
VUV Grade 0.13μm to 10.0μm  Very high purity
Eximer Grade  0.13μm to 10.0μm Very high purity
Raman Grade  0.13μm to 10.0μm  Fluorescence free

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Infra-Red (IR) Grade

In the past CaF2 was mined and was inexpensive compared to other grades. But now regent grade CaF2 is used to save money.

Ultra-Violet (UV) Grade

Synthetically produced CaF2. Tranmission through Ultra Violet-Visible spectrum as well as the IR.

Vacuum Ultra-Violet (VUV)

The vacuum UV part of the spectrum extending to the theoretical limit for CaF2.

Eximer Grade

Eximer grade CaF2 is derived from pure crystal ingots of the highest purity to guarantee the best absorption of high-powered lasers.

Raman Grade 

Only certain CaF2 ingots that meet the highest quality can be deemed Raman grade.

Calcium Fluoride (CaF2) Lecture

Lecture on the outstanding high-k dielectric for 2D electronics.

CaF2, an outstanding High-K Dielectric for 2D


What Are Calcium Fluoride (CaF2) Wafers?

What are Calcium Fluoride CaF2 wafers? These are crystals of calcium fluoride that are used to produce optical components. These devices include thermal imaging systems, spectroscopy, telescopes, and excimer lasers. These materials are transparent over a wide spectrum of frequencies and their low refractive index makes them ideal for a number of optical applications. In addition, the material is highly insoluble in water, making it convenient to process.

Calcium Fluoride is a naturally occurring mineral that is grown in the vacuum Stockbarger technique. Usually, the crystal for infrared use is mined from a deposit, which decreases the cost of production. The absorption band is 300nm, which is why it is called Fm3m. The unit cell is a clear pane of calcium fluoride.

It is produced as a thin film of Calcium Fluoride. This material has a high band gap, a high dielectric constant, and a high laser damage threshold. Additionally, the material is extremely durable in normal atmospheres, which makes it a good material for optical components. Furthermore, the crystal is made with a single-crystal optical quality. If you are looking for a crystal, calcium fluoride may be the right choice for you.

When growing crystals, it is important to remember that the properties of the material are crucial. Besides the purity, calcium fluoride wafers have other properties. For instance, they can be used for laser applications. Their high transmission range, refractive index homogeneity, and laser-damage threshold make them ideal for optical components. Unlike other optical components, CaF2 wafers can be fabricated from high-purity materials. The materials can be made into various types of electronic equipment.

There are several types of Calcium Fluoride wafers. One of the most common is the regent grade, which is also called regent grade. It has a high transmission range and is also resistant to laser damage. It can be etched to make optical components and has excellent IR characteristics. Its refractive index changes over time and depends on the temperature of the substrate.

The optical properties of calcium fluoride wafers vary from product to product. The primary characteristic of a CaF2 window is the high light transmission range. In addition to this, it has a high laser damage threshold and a broad transmission range. Its low density makes it ideal for optical components. Its excellent machinability makes it a desirable component. The other main characteristic is its low thermal conductivity, which is important for many applications.

Infrared technology uses a wide range of wavelengths. To increase the range of infrared light, this material can be patterned with a special technique. When a laser passes through the material, it causes the material to absorb a light in the wavelength that it emits. When a laser is used to cool a spacecraft, it has high thermal conductivity.

Despite being a common optical material, it can be expensive to produce. For infrared applications, it is necessary to obtain an ultra-thin, low-cost substrate. These wafers have an ultra-low melting point and a high melting point, which makes them very expensive. Moreover, it's important to select a material with good optical properties, so it can withstand a wide range of temperatures.

Although calcium fluoride is relatively inexpensive to produce, the cost of natural fluorite is still very high. This is why it's important to choose a high-purity material. It is more cost-effective and more reliable. A low-cost crystal is an excellent option for infrared applications. A good quality one will have very high absorption bands. The other advantage of calcium fluoride is that it's also more stable than its counterparts.

The price of Calcium Fluoride varies according to the quantity and configuration. Depending on the application, these materials are useful in many applications. Using them in photovoltaic cells, for example, is particularly advantageous. They're inexpensive, durable, and environmentally friendly. These materials can also be used to produce photovoltaic panels and solar cells. They can also be used to create lasers and other electronic devices.

 

Calcium Fluoride (CaF2) Windows

Below are just some of our CaF2 substrates that we have in stock:

  • (100), 10x10x 0.5 mm 2 Sides polished
  • (100), 10x10x 0.5 mm 1 Side polished
  • (100), 10x10x 1.0mm , 1 Side polished
  • (100), 10x10x 1.0mm , 2 Side polished
  • (111), 10x10x 0.5mm , 2 Side polished
  • (111), 10x10x 1.0mm , 1 Side polished
  • (111), 10x10x 1.0mm , 2 Side polished
  • (111), 1"x1.0 mm , 2 Side polished
  • single crystal for evaporation, purity >99.995%, 5x5x5 mm as cut

Sputtering Depostion

Clients use the following CaF2 specs to sputter in the TIFR lab.

Calcium Fluoride Crystal Substrates

  • CaF2, (100), 10x10x 0.5 mm 1 Side polished QTY : 10 no
  • CaF2, (111), 10x10x 0.5mm , 1 Side polished QTY : 10  no
  • CaF2, (100), 2 inch dia x 0.5 mm 1 Side polished  QTY : 1 no
  • CaF2, (111), 2 inch dia x 0.5mm , 1 Side polished  QTY : 1 no

CaF2 for FTIR

Researchers use CaF2 for Fourier-transform infrared spectroscopy (FTIR). This method obtains the infrared spectrum of absorption or emission of a solid, liquid or gas. An FTIR spectrometer simultaneously collects high-spectral-resolution data over a wide spectral range.

Material Safety Data

MSDS avaialable upon request.

Can Fajan's Rules Explain Why Calcium Fluoride Has a Lower Melting Point Than Calcium Oxide?

Can Fajan's rules explain why Calcium Fluoride has a lower melting point than calcium oxide? The answer is yes, but the process of comparison is not straightforward. The difference in the compounds is due to the charge distribution. In general, a compound with a higher charge has a higher melting temperature than a compound with a lower charge.

According to Fajan's rules, a molecule's covalent character depends on its electrostatic force and effective nuclear charge. The latter, which is the most important factor, is related to the size and relative charges of the cation and the anion. As the size increases, the effect of oppositely charged ions is lessened. Thus, the melting point of CaF2 is lower than that of its cousin, iodide.

An electronegativity difference between a cation and an anion is a good predictor of the type of chemical bond. A greater difference in electronegativity between two molecules means that the bonds are more polar. Therefore, Linus Pauling proposed an empirical relationship between percent ionic character and the difference in electronegativity between the two molecules. This is shown in the red curve below.

Can Fajan's rules explain why CaO has a lower melting point than CaF2? This question is controversial but is a common question among chemists. For example, the difference between the two compounds in terms of their molecular structure is the primary factor behind the difference between their melting points. If a substance has a low molecular weight, it will have a lower melting point than one with a high molecular mass. If it is larger, it will be more polar.

Can Fajan's rules explain why CaO has a lower melting point than CaF2? In addition to being covalent, CaF2 is also an ionic compound. This means that it contains a cation that is conjugated with a base, while a cation that has a high charge has a lower charge than a cation.

The rules based on the Effective Nuclear Charge and Electronegativity can explain why CaF2 has a lower melt point than CaO. By comparing the ionic nature of the two molecules, they can understand why the former is warmer than the latter. And the answer to this question can be found in a number of other ways. For example, an ionic compound contains more potassium than CaF2.

As a weak acid, CaF2 has a lower melting point compared to its sister, the latter has a higher melting point than the former. An ionic compound is an acid that has a smaller melting point than CaO. An ionic compound can have a lower melting temperature than a cation with a higher charge.

The chemical properties of CaF2 are a result of its ionic charge. In contrast to calcium, strontium ions are larger than calcium and fluorine. This means that $ceCaF2$ will have a higher bond strength than CaO. A higher bond strength means more energy is required to break it. It is thus essential to understand the differences between the two compounds in order to understand how they differ.

In general, ionic charge can be determined through the electrochemical equation. Hence, the electronegativity of a compound will help you determine its ionic character. The greater the difference, the higher the degree of polarity of the bond. If the difference is greater, it indicates that the bond is less ionic. If it is smaller, the chemical reaction will not occur.

An ionic compound is an ionic compound. If the ionic compounds were liquids, they would not be polar. This is because ionic compounds have a low melting point. The opposite is true when the ionic charge of a compound is large. This results in a higher polarization. Moreover, the difference between the ionic charge and the ionic capacity of a substance is smaller.

What is Polycrystalline Calcium Fluoride?

You may be wondering what is Polycrystalline Calcium fluoride (PCF)? This article will provide you with the basics of this important material. You will learn about the uses for PCF, as well as how it is manufactured. The benefits of PCF are also discussed. This mineral can be used in the manufacture of a number of different products. For example, it is used to create a wide range of plastics.

Spectroscopic CaF2 Windows

Spectroscopic CaF2 windows have excellent transmission properties from 130nm to 10um and have numerous applications in a variety of fields, including white light generation. These windows are highly efficient at transmitting light, and their thickness ranges from 0.5 to 100 mm. They are available in three different grades, including regent grade, Eximer grade, and Raman grade, and are designed to work at specific wavelengths.

Spectroscopic CaF2 windows offer several advantages over other materials. Because they exhibit excellent transmission in the visible and ultraviolet, they can also be used in laser applications. Their low density, wide transmission range, and excellent machinability make them ideal for optical components. Furthermore, their low thermal conductivity make them a highly cost-effective material for a variety of applications.

Spectroscopic CaF2 windows were created by scientists at Sandia National Laboratories, a multi-mission laboratory run by the U.S. Department of Energy and the National Nuclear Security Administration. These windows provide an ideal optical window through which researchers can study irradiation processes. Detailed information about the irradiation path of CaF2 has now been published.

Using spectroscopic techniques, researchers have studied the effects of 100 keV Tb ion implantation on polycrystalline CaF2. They observed that the ionic state of Tb is not affected by coexistence of the secondary phases. This results in improved antireflective coatings and down-conversion of light. The spectral range of the conversion is also expanded, leading to greater conversion efficiency.

Another method for making optical windows of polycrystalline calcium fluoride is through the use of ion beams. By using a grazing incidence, 100 MeV ions irradiated on CaF2 can create novel ion-tracks. This allows researchers to track the forces to the surface in an atomized state. The resulting ion-tracks, which are visible under spectroscopy, reveal three distinct parts. During the first stage of the process, a fast heavy ion opens a groove that spans 100aEUR

Vacuum Ultraviolet Scintillator

A new spectrophotometer for measuring the transmittance of Polycrystalline Calcium fluoride crystals has been developed. This new device offers several advantages over the conventional method of direct measurement using F2 or excimer lasers. Among these benefits, its ease of use, accuracy, and low cost make it an excellent choice for internal transmittance measurements. This technology is applicable for measuring light wavelengths and transmittance of many materials, including polycrystalline Calcium fluoride.

The light emitting element of the present invention is a metal fluoride crystal represented by the chemical formula LiM1M2F6. Li includes six Li and M1 and M2 represent alkaline earth metals and metal elements. Eu2+ is at least 0.02% by mole in this material. The resulting product efficiently volatilizes without remaining trapped in the polycrystalline Calcium fluoride crystal.

This chemical compound can be highly sensitive to moisture above 500degC. Because of this, barium fluoride is not ideal for a vacuum environment. However, it is a good candidate for electrochromic filters. It is also highly resistant to X-rays and is used in a wide variety of applications. It is useful in research and medical applications and can be used in a wide range of environments.

The chemical composition of calcium fluoride crystals is an important factor in the quality of the material. The material can be produced in many ways, including by hot-pressing. When the polycrystalline material is heated, it recrystallizes and retains its optical properties. However, the heat and force involved in manufacturing it makes it prone to absorption bands and may not be suited for certain applications.

Lead Conversion Into Polycrystalline Calcium Fluoride (CaF2)

Polycrystalline calcium fluoride is an important component of a variety of ceramic materials, including ceramic tiles, sand, and marble. The process of lead conversion into polycrystalline calcium fluoride involves the chemical reaction of lead and calcium fluoride. During this process, the lead is oxidized to a neutral salt, which is called calcium fluoride. CaF2 nanoparticles contain Yb,Er, and Tm.

Fluoride exposure affects the physiochemical and structural properties of bone. It also impacts calcium control in rabbits. These are just a few of the detrimental effects of fluoride, but the effects of Fluoride on bone are well documented. The findings from the present study will help guide future research into the toxic effects of fluoride on human health. Calcium supplements, in particular, are essential for a number of reasons.

Light Transmittance

In order to investigate the light transmittance of Polycrystalline Calcium fluorides, the researchers irradiated the samples with a F2 laser and then measured their spectral transmittance. To accomplish this, the crystals were optically ground with diamond grains to prepare them for the F2 laser. The wavelength of the laser used in this study was 890 nm. As such, the calcium fluoride crystals showed very high light transmittance.

In order to improve the light transmittance of the Polycrystalline Calcium fluoride crystal, the material is heat treated to reduce the thermal stress. This crystal is then cut and processed to form an optical member. The light transmitted by the optical member is approximately 82%. It should be noted that the optical performance of this material decreases with increasing distance from the light source. This is because it loses 1% of its intensity with every 10 mm of length.

The internal transmittance of Polycrystalline Calcium fluorides was comparatively high, although the spectroradiometer's accuracy was poor. The light transmitted through the material decreased with decreasing thickness, and the internal reflectance was 99.5% versus 100%. Both samples showed very similar internal transmittance, and the difference was only 0.1% for the Comparative Example. This resulted in a highly inconclusive comparison.

Crystaltechno Ltd. is a company that manufactures crystals and optical components for use in a variety of applications, including medical technology, laser research, and aviation. Its products are used in special equipment, and their light transmittance spectra are extremely broad. The company is currently developing a new range of optical components, which include laser lenses and other optical components. This allows it to serve as a versatile, low-cost alternative to other types of materials.

What is Calcium Flouride's Melting Point?

The process of making Polycrystalline Calcium fluoride begins with a preprocessing furnace. The furnace is maintained at a vacuum of 10-3 to 10-5 Pa and gradually increases the temperature until it reaches the melting point of calcium fluoride. Then, the material is placed into the growth crucible, where a single crystal is grown. As the growth furnace heats up, the desorbed gas in the preprocessed material is mixed with the growing crystal.

This process requires a vacuum furnace. The pressure inside the furnace is slowly increased to maintain the high vacuum. The melting point of polycrystalline Calcium fluoride is around 700 degrees Celsius. At a temperature higher than this, the carbon compounds on the surface of the powder begin to decompose. The upper limit of the furnace is 1350 degrees C. During this process, the temperature is monitored to ensure that the final product is stable.

The spectral absorption coefficients of calcium fluoride were determined using a single-beam ir spectroradiometric system. The wavelength range was 2-12 microns, and the temperature was changed from 500 degrees C to 600 degrees C. The finalized ceramics were characterized by X-ray diffraction, scanning electron microscopy, and Fourier transform infrared spectroscopy.

The final temperature of polycrystalline calcium fluoride is approximately 100 degrees above the decomposition temperature. The crystallization process is a complicated process. A mixture of calcium fluoride powder and a scavenger is mixed with the starting material. Then, the material is placed in the growth furnace. The temperature inside the furnace gradually rises until the desired melting point is reached. The crystals are then formed.