Calcium Fluoride(CaF2) Optical Windows

Description

General Introduction: Raytek CaF2 optical windows are transparent in the range of 180nm to 8μm, which makes them very suitable for some applications, such as spectral or fluorescence imaging at UV, visible and infrared wavelengths.

Products Name: CaF2 Optical Window

Alias: Calcium Fluoride optical window, Calcium Fluoride parallel window, Calcium Fluoride window, CaF2 parallel window, CaF2 parallel optical window, CaF2 windows, etc

Lens Substrates:

Calcium Fluoride(CaF2)

Optional I:	Calcium Fluoride(CaF2) IR Grade Calcium Fluoride Vacuum UV Grade Calcium Fluoride from CORNING, OHARA, SCHOTT, LEONI, AGC,HELLMA, NIKON,VITRON,ETC
Optional II:	Equivalent Calcium Fluoride(CaF2) IR Grade Calcium Fluoride Vacuum UV Grade Calcium Fluoride Made in China, C-laser own brands

Coating:

Uncoating

Main Applying:

Applying Fields I:	Ultraviolet spectrum or fluorescence imaging Visible spectrum or fluorescence imaging Infrared wavelength spectroscopy or fluorescence imaging
Applying Fields II:	The application of femtosecond infrared spectroscopy in infrared system Application of excimer laser in laser system
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Products Highlights:

1).Ideal choice for excimer laser application

2).Low absorption and high damage threshold

3).Transparent in UV, visible and infrared

4).Parallelism <1 arc minutes

5).Lower color difference compared with other infrared materials

6).Different grades materials for option.

7).High precision & high surface roughness;

8).Sizes can be customized as per the customers’ request

9).Quick lead time and delivery time.

10).Matching super optics custom and processing capacity, including Moulding, CNC machining, Polishing, Particle beam processing, Magnetic flux conversion processing, Grinding, Coating, Lightweighting, Custom Shaping, Counterbores, Drilling & Coring, Edge & Bevel Polishing,3D Contouring, Bevels & Chamfers, Steps & Slots, Laser Cutting & Marking, Metrology & Inspection, Precision Pitch Polishing, Double-Sided Polishing, Optical Assembly, Measuring, etc.

11).Excellent post-sale quality warranty, with “3R”-return, replace & refund policy

Main Optical Tech Specification:

Lens Shape	Optical Parallel Window	Surface Accuracy Irregularity	-
Lens Material	Calcium Fluoride(CaF2)	Diameter Tolerance	CAW: +0.0/-0.1 mm 10CF: ±0.20 mm
Antireflection Coating	Uncoating	Thermal Expansion Coefficient	18.9 x 10-6 K-1 @ 300 K
Coating Type	-	Thermal Limit	10 W m-1 K-1 @ 273 K
Damage Threshold	-	Wavelength Range	250-7000 nm
Thickness Tolerance	-	Wedge	-
Surface Quality	40-20cratch-dig	Clear Aperture	CAW: central 90% of diameter 10CF: central 85% of diameter
Surface Flatness	-	OEM/ODM	Accepted

Popular Physical Size Specification:

Basic Data	Value
Popular Dia.Value I	12.7mm/25.4mm/50.8mm,etc
Matching Thickness I	2.0mm/3.0mm
Surface Flatness I	λ/20 @ 10.6 µm
Parallelism(Wedge) I	≤3 arc min;
AR. Coating Model I	Uncoated
Popular Dia.Value II	5.0mm/10.0mm/12.5mm/15.0mm/25.0mm 30.0mm/40.0mm/50.0mm,etc
Matching Thickness II	1.0mm/2.0mm/3.0mm,etc
Surface Flatness II	λ/2 at 632.8nm
Parallelism II	≤1arc min;
Other Size Speicification	Custom manufacturing as per demand

Main Cooperation Materials Manufacturers:

CORNING, OHARA, SCHOTT, LEONI, AGC,HELLMA, NIKON,VITRON,C-LASER,ETC

Main Export Countries & Areas:

Usa, Uk, Japan, Germany, Spain, France, Swiss, Korea, Russia, Pakistan, India, Portugal, Canada, New Zealand, Australia, Saudi Arab, Turkey, Finland, Poland ,etc.

Raytekoptics Extra value added services offered:

1). Optical workcraft & process solution design;

2). Rough processing raw materials;

3). Semi finishing raw materials;

4). Fabricate custom sizes and shapes;

5). Design and supply custom coatings;

6). Modify and resurface customer supplied materials;

7). Drill holes, notch glass and provide beveled substrates;

8). Precision polish optics with non-standard aspect ratios;

Payment Method: by T/T or Western Union.

Delivery time: 7-10 days.

Quality Warranty: Ruitaiphotoelectric(Raytekoptics) offers quality warranty for our optics products with “3R” policy. For any inferior-quality products, Ruitaiphotoelectric(Raytekoptics) is responsible for return, replacement and refund.

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