High Transmittance Calcium Fluoride Optics with 95% Transmission Rate and 0.13-11.3μm Band Range for Special Optical Windows
Price:
Negotiable
MOQ:
5 Pieces
Delivery Time:
1-4 weeks
Brand:
BonTek
Product Description
High Transmittance Calcium Fluoride Optical Components
Calcium fluoride (CaF2) crystal optics deliver exceptional performance for specialized optical window applications with high transmittance across a broad spectral range.
Material Properties
| Property | Specification |
|---|---|
| Crystal Structure | Cubic |
| Density | 3.18 g/cm³ |
| Melting Point | 1360℃ |
| Refractive Index | 1.39908 at 5μm |
| Transmission Band | 0.13-11.3μm with up to 95% transmittance |
| Knoop Hardness | 158.3 (100) |
| Thermal Conductivity | 9.71 W/K·m |
| Coefficient of Thermal Expansion | 18.85 × 10⁻⁶/℃ |
Standard Specifications
| Product Name | Orientation | Standard Sizes | Thickness Options | Polishing |
|---|---|---|---|---|
| CaF2 Single Crystal Substrate | <100> ±0.5° <110> ±0.5° <111> ±0.5° Custom off-angles available |
10×10mm, 10×5mm, 5×5mm 20×20mm, φ25.4×0.5mm φ50.8×0.5mm, φ50.8×1.0mm Custom sizes available |
0.1mm, 0.5mm, 1.0mm, 2.0mm Custom thicknesses available |
Fine ground Single side polished Double side polished Roughness: Ra < 5Å (0.5nm) |
Key Advantages
- High transmittance up to 95% across 0.13-11.3μm range
- Low stress birefringence (no intrinsic birefringence above 200nm)
- Excellent refractive index uniformity
- Stable mechanical properties and non-deliquescent
- Strong resistance to radiation damage
- Ideal for optical windows, prisms, and lenses
Product Images
Quality Assurance & Handling Instructions
Important Handling Guidelines
- Products are fragile and shipped with "fragile" labeling via premium carriers
- Upon receipt, inspect outer carton condition and photograph before opening
- Open vacuum packaging only in clean room environments during application
- If damage is found during transit, photograph/video immediately without removing from packaging and contact us for resolution
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Hangzhou Freqcontrol Electronic Technology Ltd.
Location
Room 1106, CIBC, No.198 Wuxing Rd, Hangzhou, P.R.China
Contact Person
Xu