Optical Grade Mgf2 Single Crystal Windows

• Customization: Available
• After-sales Service: Shelf Life One Year (Under Normal Use Conditions)
• Warranty: Shelf Life One Year (Under Normal Use Conditions)
• Model NO.: MgF2 Single Crystal
• Transmittance: Customisable
• Shape: Customisable
• Material: Duv Grade Mgf2
• Lenses Color: Customisable
• Certification: ISO9001
• Customized: Customized
• Useful Transmission Range: 0.11~8.5 μm
• Thickness Tolerance: +0.5 mm/±0.02 mm
• Clear Aperture: > Central 90 % of Diameter
• Transport Package: Carton
• Specification: Size tolerance: +0.5 mm/-0.05 mm
• Trademark: CRYSTRONG
• Origin: China

Product Description

MgF2 Single Crystal, MgF2

Growth Technology

Bridgman growth along optical axis
 

Product Characteristic

1. Single-crystal material

2. High [email protected]~8.5 μm

3. Chemical stability

4. Relatively easy optical processing

5. Environmental resistance

6. Tetragonal birefringence
 

Product Application

1. Used in optical prism, wedge, optical components and related optical systems

2. Optical communication
 

Production Capacity

Standard product diameter 100 mm
 

Product Properties
 

MgF2 Single Crystal Transmission

1 . Optical Properties

Property	Specification
Useful transmission range	0.11 - 8.5 μm
Typical transmittance	50 % @ 0.12 μm 60 % @ 0.14 μm 90 % @ 0.20 μm 93 % @ 0.30 - 5 μm

 

2 . Processing Index & Dimensional Specifications

Item	Detail
Material	DUV-grade MgF2 single crystal
Standard block size	35 × 35 × 60 mm
Standard round sizes (Ø × t)	8 × 1 mm; 12.7 × 2 mm; 25.4 × 4 mm;  38.1 × 5 mm; 78 × 5 mm; 86 × 6 mm; 125 × 12 mm
Size tolerance	+0.50 mm / -0.05 mm
Thickness tolerance	+0.50 mm / ±0.02 mm
Orientation	Faces perpendicular to C-axis Tolerance: ± 2° (max.)
Chamfer	0.20 ± 0.10 mm × 45° or 0.15 - 0.35 mm × 45°
Clear aperture	> central 90 % of diameter
Surface quality (Scratch/Dig)	Commercial 60-40; Precision 40-20; Ultra-precision 20-10
Parallelism	Commercial < 3′-5′; Precision < 1′
Surface flatness	Commercial λ/25 @ 633 nm; Precision λ/4; Ultra-precision λ/10

 

3 . Ordinary (n_0) and Extraordinary (n_e) Refractive Indices vs Wavelength

Wavelength (nm)	n_0	n_e
121	1.62750	1.63200
140	1.50950	1.52300
178	1.43975	1.45365
436	1.38203	1.39402
488	1.38016	1.39206
546	1.37855	1.39039
588	1.37770	1.38960
656	1.37661	1.38835
1000	1.37964	1.38521
2000	1.36800	1.37922
3000	1.36000	1.37060
4000	1.35750	1.36200
5000	1.33020	1.33930
7000	1.30870	1.31010

About Us:
Crystrong Photonics Technology Co., Ltd. was established in 2012. The company integrates research and development (R&D), production, and sales, covering the entire laser industry chain. It serves the global laser application field and is committed to becoming a globally influential laser industry solution provider. Crystrong excels in various crystal growth technologies. Their crystal products span the infrared, visible light, and ultraviolet bands, and they have a track record of supporting large-scale national projects. As a long-term strategic partner of renowned domestic and foreign laser manufacturers, Crystrong offers dozens of conventional pockels cell models. These models encompass a variety of crystal materials, wavelengths, and frequencies. Additionally, special pockels cell models can be customized to meet customers' diverse use environments and application requirements. Crystrong also provides coating services and a range of lens optics components, which constitute the core advantage of their entire industry chain, ensuring superior product quality and competitive pricing.

Company Photos:

Qualification Certificate: