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2" Blue Sapphire for Optical Lens Watch Glass

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Product Description

Basic Info.

Model NO. FW-sapphire
Type Flat Lens
Transmittance >95%
Shape Single-lens
Material Optical Glass
Lenses Color Clear
Customized Customized
Coating UV
Size Customized
Thickness Customized
Growth Method Ky
Transport Package Box
Specification customized
Origin China
Production Capacity 60000 PCS/Month

Product Description

2" blue sapphire for optical lens watch glass

Sapphire is a hard crystal, it widely been used for watch and mobilephone, Beauty equipment, lasers, LED, and so on.

1. Why choose the sapphire?

  • Thinner and Stronger than Standard Glass Windows
  • Transmits Wavelengths Ranging From UV to Mid-Infrared
  • Features Extreme Surface Hardness and Chemical Resistance

2. What is sapphire windows

Sapphire Windows are manufactured from single crystal sapphire, making them ideal for demanding applications (such as laser systems) because of their extreme surface hardness, high thermal conductivity, high dielectric constant and resistance to common chemical acids and alkalis. Sapphire is the second hardest crystal next to diamonds and, because of their structural strength, sapphire windows can be made much thinner than other common dielectric windows with improved transmittance. Chemically, sapphire is single crystal aluminum oxide (Al2O3), and is useful in a transmission range from 0.2 - 5.5µm.

3. Product available

Sapphire Washers, Sapphire Windows, Sapphire Bearings, Sapphire Rods, Sapphire Tubes, Ruby sapphire wafer, dome sapphire, Sapphire insulation Film, Sapphire ball lens, Sapphire/ruby ball

  • Dimesion size : 0.2-300mm or customization , thickness >0.1mm
  • Gemstone Type: Synthetic (lab created)
  • AR coating or as your request
  • Product shape : round , rectangle or custom shape
  • Chemical Composition : Al2O3

4. Materials characteristic

Property Value
Refractive index (nd) 1.768
Coefficient of dispersion (Vd) 72.2
Density (g/cm3) 3.97
TCE(μm/mºC) 5.3
Soften Temperature(ºC) 2000
Knoop hardness(kg/mm2) 2200
2" Blue Sapphire for Optical Lens Watch Glass

5. Sapphire Windows and Sapphire lenses General Specifications

Parameter Specification Details
Diameter 0.2-300mm +/-0.1mm or +/-0.02mm or customization
Thickness 0.10-100mm± 0.1mm or +/-0.02mm
Surface quality (scratch & dig) 60/40, 40/20 or better
Surface accuracy λ/10, λ/2, λ
Clear Aperture >85%, >90%
Parallelism +/-3' ,+/-30''
Bevel 0.1~0.3mm×45 degree
coating AR, BBAR or upon customer request( UV, VIS, IR)

6. Products

Frequently Asked Questions

What is the shipping method and estimated cost?

We accept major express carriers including DHL, FedEx, TNT, UPS, and EMS. If you have an established express courier account, we can ship using your account. Otherwise, we can assist in arranging and calculating the shipping cost for you.

What payment methods do you accept?

We support payments via T/T (Telegraphic Transfer), PayPal, and other mutually agreed payment terms.

What is your Minimum Order Quantity (MOQ)?

For standard inventory products, the MOQ is 5 pieces. For custom-made or tailored products, the standard MOQ ranges from 10 to 25 pieces.

What are the typical delivery timelines?

For standard in-stock inventory items, shipping is within 5 working days post-order. For customized items, delivery is approximately 2 to 3 weeks. Special-shaped or highly customized products require approximately 4 to 6 weeks.

Do you maintain standard products in stock?

Yes, we maintain a selection of standard-specification optical components in our inventory for immediate dispatch.

Can I request customized specifications for my order?

Yes. We specialize in customizing the material, dimensional specifications, shapes, and optical coatings of your optical components to match your exact application requirements.

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