Calcium Fluoride (CaF2) Windows
Calcium fluoride is a fluoride crystal with broad transmission from the deep UV through the mid-infrared, and its low refractive index gives it lower reflection loss than higher-index IR materials.
Share requirements, quantities and a drawing if available. Specifications and supply terms require confirmation.
Overview
Calcium fluoride is a fluoride crystal with broad transmission from the deep UV through the mid-infrared, and its low refractive index gives it lower reflection loss than higher-index IR materials. CaF2 is also known to be sensitive to thermal shock, a real handling characteristic worth noting to buyers rather than a defect. Procurement review should center on using CaF2 across UV, visible or infrared paths while accounting for material handling.
Key Selection Points
- Broad deep-UV-to-mid-IR transmission range
- Lower reflection loss than higher-index IR materials
Applications
General category applications; suitability for a specific part requires confirmation.
UV applications
Broadband optical instrumentation
Wavelength Range & Material Guide
This module connects wavelength needs with material choice while keeping reference properties separate from configuration-specific performance. For Calcium Fluoride (CaF2) Windows, the module focuses on using CaF2 across UV, visible or infrared paths while accounting for material handling.
- Separate general material behavior from the exact grade and coating offered for the RFQ.
- Review environmental, thermal and handling constraints alongside the wavelength band.
- Confirm any numerical transmission range for the selected material, coating and configuration.
- Product-specific review: connect wavelength band with surface and edge requirements and document the trade-off against fused-silica windows.
Prepare a product-specific enquiry
Include the requirements you know and identify any points that need confirmation.
| RFQ input | What to provide |
|---|---|
| Input 1 | Procurement objective for Calcium Fluoride (CaF2) Windows: using CaF2 across UV, visible or infrared paths while accounting for material handling. |
| Input 2 | Lock wavelength band before requesting a decision on CaF2 grade. |
| Input 3 | Describe surface and edge requirements and the mating or operating condition for coating, moisture and mounting conditions. |
| Input 4 | Do not omit this product-specific point: identify the band that drives material choice and any thermal-shock or handling constraints. |
| Input 5 | Include quantity and project phase; MOQ, stock and lead time are confirmed during quotation. |
| Input 6 | Identify drawing revision, critical notes and evidence needed at acceptance. |
Frequently Asked Questions
Is CaF2 fragile?
CaF2 is known to be more sensitive to thermal shock than many other optical materials, so it is generally handled and installed with that in mind — this is a real, documented material characteristic, not a quality issue.
Which specification should be fixed first for Calcium Fluoride (CaF2) Windows?
Begin with wavelength band. It determines how CaF2 grade and surface and edge requirements should be evaluated before the mechanical details are finalized.
When is Calcium Fluoride (CaF2) Windows a better fit than fused-silica windows?
Choose between them by testing the requirement for using CaF2 across UV, visible or infrared paths while accounting for material handling. If that requirement is absent, the comparison product may provide a simpler procurement path.
What should an RFQ for Calcium Fluoride (CaF2) Windows include?
Identify the band that drives material choice and any thermal-shock or handling constraints. Also include quantity, drawing revision and the required acceptance evidence. Final availability is confirmed during quotation.
Which details for Calcium Fluoride (CaF2) Windows still require supplier verification?
Actual material and coating availability, dimensional limits, tolerances, inspection reports, MOQ and lead time cannot be inferred from this page and must be confirmed against the RFQ.
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