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EuF3

EuF₃ (europium fluoride) is an important rare-earth fluoride functional material with wide applications in optics, lasers, catalysis, and the nuclear industry. Its excellent optical properties, stable physicochemical characteristics, and unique luminescent features make it an ideal choice for optical components and functional materials operating in the visible to infrared wavelength range.

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Technical Specifications
Custom specifications available upon request

Product Features​

The EuF₃ (europium fluoride) crystals offered by our company feature high optical quality, a broad transmission range, and excellent resistance to environmental aging. These crystals exhibit characteristic emission peaks in the visible light region, along with high radiation resistance and good thermal stability, making them suitable for laser devices, radiation detection, and specialized optical systems. Through precise crystal growth and processing techniques, we ensure high optical uniformity and low absorption of the crystals, meeting the demands of various high‑end applications.
 

Basic Properties

Physical Property
Value
Remarks
Crystal Structure
Hexagonal system
/
Density
6.5 g/cm³
/
Mohs Hardness
4–5 Mohs
/
Melting Point
1390 °C
/
Transmission Range
0.3–5.0 μm
One of the core advantages: covers a broad band from deep UV to mid-IR
Refractive Index
1.6
/
Thermal Expansion Coefficient
α∥ ≈ 15.0 × 10⁻⁶ /K, α⊥ ≈9.5 × 10⁻⁶ /K
20 °C–400 °C
Thermal Conductivity
3.2 W/m·K
At room temperature
Scintillation Performance
Emission peak ~590 nm
Characteristic emission in the visible region; suitable for fluorescence and luminescence applications
Decay Time
1–10 ms
Suitable for fluorescence and persistent luminescence applications
Light Yield
N/A
/
Radiation Resistance
High
Second core advantage: stable performance and long service life in high-radiation environments
Hygroscopicity
Slight
Should be stored and handled in a dry environment
Relative Dielectric Constant (1 kHz)
ε ≈ 8–10
/
 
 

CeF₃ Crystal Specifications

Specification Item
Parameter Details
Material
CeF₃
Standard Orientation
c-axis / a-axis
Optical Uniformity
Δn ≤ 2 × 10⁻⁵ @ 632.8 nm
Wavefront Distortion
< λ/8 @ 632.8 nm
Crystal Size
Diameter: 1"–3"; Thickness: 0.5 mm – 50 mm (custom sizes available upon request)
Dimensional Tolerance
±0.1 mm (custom tolerances available upon request)
Parallelism
< 20″
Perpendicularity
≤ 10′
Flatness
λ/8 @ 633 nm
Surface Finish
10–5 (MIL-PRF-13830B)
Beveled Edge
< 0.2 mm × 45°
Bulk Absorption Coefficient (@355 nm)
< 0.01 /cm
Coating
Available with deep UV (e.g., 193 nm), visible, or infrared anti-reflection coatings; custom coatings accepted
Shelf Life
12 months (must be stored sealed in a dry (<40% RH), dust-free, room-temperature environment)

Application Fields

1. Radiation Detection and Nuclear Technology​
Scintillator for Radiation Detectors: Leveraging its radiation resistance and characteristic luminescence, EuF₃ is used in nuclear radiation monitoring, environmental monitoring, and scientific research detection equipment.
2. Optical Coatings and Thin Films​
High-Performance Optical Coatings: Used as anti-reflection or protective coatings on laser lenses, windows, and filters to enhance the performance and durability of optical systems.
3. Scientific Research and Specialty Optics​

UV/IR Optical Components: Employed as windows, prisms, or lenses in broadband optical systems, especially suitable for applications requiring high transmittance and stability. 

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