CY10322 Two Sides Polished Calcium Fluoride CaF2 Crystal Substrate (111) 10x10x1.0 mm

Two Sides Polished Calcium Fluoride CaF2 Crystal Substrate (111) 10x10x1.0 mm Description

The Two Sides Polished Calcium Fluoride CaF2 Crystal Substrate (111) 10x10x1.0 mm is an optical-grade substrate fabricated from high-purity CaF2. The (111) crystallographic orientation provides a well-defined planar surface for optical and semiconductor device testing. Dual-side polishing produces a smooth finish that minimises light scattering. Its dimensions (10 mm x 10 mm x 1.0 mm) are engineered for compatibility with standard laboratory and industrial processing equipment.

Two Sides Polished Calcium Fluoride CaF2 Crystal Substrate (111) 10x10x1.0 mm Applications

Electronics
- Used as an optical window in laser alignment systems to achieve low scatter by leveraging its uniform dual-side polish, thereby ensuring stable light transmission.

Semiconductor Manufacturing
- Applied as a substrate in thin-film deposition processes to promote uniform film growth by utilising its controlled (111) orientation, resulting in enhanced layer consistency.

Optical Instrumentation
- Serves as a sample holder in spectroscopic equipment to reduce background noise by capitalising on its smooth surface finish, facilitating accurate optical measurements.

Two Sides Polished Calcium Fluoride CaF2 Crystal Substrate (111) 10x10x1.0 mm Packing

The substrate is packaged in a clean, anti-static tray with foam supports to prevent mechanical damage. It is enclosed in a sealed plastic pouch to guard against contamination and moisture ingress. Storage in a controlled, low-humidity environment is recommended to maintain surface integrity. Custom packaging options are available to accommodate specific handling and storage requirements.

Frequently Asked Questions

Q1: What measures are used to verify the substrate's flatness and surface finish?
A1: Optical interferometry and SEM imaging are incorporated during quality control to assess surface flatness and detect microscopic irregularities, ensuring the substrate meets the stringent tolerances required for optical applications.

Q2: How does dual-side polishing affect the substrate's optical performance?
A2: Dual-side polishing minimises surface defects and scattering losses, which translates into clearer optical transmission and more accurate test results in sensitive electronic and optical evaluation systems.

Q3: What are the recommended storage conditions for this CaF2 substrate?
A3: The substrate should be stored in a temperature-controlled, low-humidity environment. It is important to maintain clean, sealed packaging to prevent contamination and preserve the substrate's surface quality over time.

Additional Information

Calcium Fluoride (CaF2) exhibits excellent transparency in the ultraviolet to infrared spectrum, making it a valuable material for optical instrumentation and laser applications. Its chemical inertness and low refractive index contribute to minimal light absorption and scattering, which are critical for high-performance optical devices.

Understanding the material properties of CaF2 and its controlled crystallographic orientation is essential for researchers in optical and semiconductor fields. The use of dual-side polished substrates ensures a smooth interface, which can significantly enhance the performance of test instruments and processing equipment in industrial and academic environments.