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Home > Instruments & Meters > Optical Lens & Instrument > Optical Lens > 52.8mm Diameter, 5mm Thick Uncoated, High Strengh Sapphire Window for UV Flame Detector

52.8mm Diameter, 5mm Thick Uncoated, High Strengh Sapphire Window for UV Flame Detector

US$ 23 - 40 MOQ: 10 Pieces

Key Specifications

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Brand Name:

HCH

Place of Origin:

China

Model Number:

D52.8*5.0mm

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HCH Crystal Technology Co., Ltd.

Payment & Shipping

Payment Methods:

Port of Shipment:

Shanghai

Delivery Detail:

15 days

Product Details
Company Profile
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Brand Name HCH

Place of Origin China

Model Number D52.8*5.0mm

Material Other, sapphire

Usage Optical

Shape Plano

Structure Other, Double plano

This sapphire window is treated with special heat treatment, making it far more intense than other materials, even the average sapphire material.

After testing, the window can withstand a 1 kilogram ball of steel falling from a height of 1 meter without cracking.

Therefore, this window is applied to flame detectors to prevent any flammable and explosive situations.

Product Family Description

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

HCH 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.

Common Specifications for Product Family

Surface Flatness:	2λ (typical)	Clear Aperture (%):	≥90
Parallelism (arcmin):	≤3.5	Surface Quality:	80-50
Substrate:	Sapphire (Al₂O₃)

Specifications

Coating:	Uncoated	Diameter (mm):	52.8
Diameter Tolerance (mm):	±0.10	Thickness (mm):	5.0
Thickness Tolerance (mm):	±0.05	Type:	Protective Window
Surface Roughness (μm):	0.1 per inch	Birefringence (n_o-n_e):	0.008 for Visible Light Orthogonal to Optical Axis
Orientation of Axis	C or A	Wavelength Range (nm):	200 - 5500