Barium Fluoride (BaF2) is a transparent optical crystal with unique optical properties, making it valuable in various applications across industries.
Barium fluoride crystal shows good optical transmittance over wide spectrum range, from 150nm to 12.5μm. It is used for windows, lenses and prisms, particularly for the application of ultraviolet transmittance. The highest quality of BaF2 has an application as the well know scintillation crystal.
Here’s more information about BaF2 optical crystals:
- Transparency: BaF2 crystals have excellent optical transparency in the ultraviolet (UV) and infrared (IR) regions of the electromagnetic spectrum. They have a wide transmission range, typically spanning from the deep UV (about 150 nm) to the mid-infrared (about 11 µm), making them suitable for a broad range of optical applications.
- Refractive Index: BaF2 crystals have a relatively high refractive index in the UV and IR regions, allowing them to efficiently refract and focus light. This property makes them useful in optical components such as lenses, windows, and prisms for imaging systems, spectroscopy, and laser systems.
- Low Dispersion: BaF2 crystals exhibit low dispersion, meaning they have minimal variation in refractive index with wavelength. This property is advantageous in optical systems where dispersion needs to be minimized, such as in precision spectroscopy and imaging applications.
- High Optical Quality: BaF2 crystals can be grown with high optical quality, featuring low absorption, scattering, and defects. This enables them to maintain high transmission and optical clarity, making them suitable for demanding optical applications where precision and accuracy are critical.
- UV Excimer Optics: BaF2 crystals are commonly used in UV excimer laser systems for applications such as photolithography, semiconductor manufacturing, and scientific research. They serve as optical components in the laser cavity, including windows, lenses, and beam splitters, due to their high UV transmission and low optical losses.
- Spectroscopy: BaF2 crystals are employed in various spectroscopic techniques, including UV-visible spectroscopy, infrared spectroscopy, and Raman spectroscopy. Their broad transmission range and low dispersion make them suitable for analyzing molecular structures, chemical compositions, and material properties.
- Particle Detection: BaF2 crystals are utilized in particle physics experiments and radiation detection systems for detecting high-energy particles such as gamma rays, X-rays, and cosmic rays. They serve as scintillation detectors or gamma-ray detectors due to their high light yield and fast response time.
- Environmental Sensing: BaF2 crystals are also used in environmental sensing applications, such as atmospheric monitoring and remote sensing. They can be employed in optical instruments for measuring atmospheric gases, pollutants, and aerosols in the UV and IR spectral regions.
Overall, BaF2 optical crystals offer a combination of broad spectral transmission, low dispersion, and high optical quality, making them versatile and valuable components in various optical systems and applications, particularly those requiring UV and IR optical performance. Their use spans from laser optics and spectroscopy to particle physics and environmental monitoring.
ShapeOptics is Able to Offer
● BaF2 IR Viewport Windows for Infrared Thermography from 8μm to 14μm
● Various optics for IR & VUV application, using our BaF2 crystal materials
● Good quality BaF2 scintillation crystal
● Good quality BaF2 crystal blank materials
● OEM service for good quality BaF2 crystals
Capabilities
● Maximum Diameter —————————————————————————– φ180mm
● Clear Aperture ———————————————————————————— 85%
● Surface Flatness ——————————————————————−−−−−−−−− λ/4@633nm
● Surface Quality ———————————————————————————– 20/10
Partners of Shapeoptics proudly manufactures high-quality Barium Fluoride (BaF2) , utilizing state-of-the-art equipment and precision techniques. For further details or bespoke customization inquiries, please don’t hesitate to reach out to us
