Factory Supply Optical CZ FZ Silicon Crystal Si Blank

Name: Factory Supply Optical CZ FZ Silicon Crystal Si Blank
Brand: Henan UM Optics Ltd
Availability: InStock

Description

Single silicon crystals are hard, insoluble in water, and have excellent light transmission properties in the 1-7 μm band. Single silicon crystals are typically used in 3-5 μm mid-wave infrared optical windows and as substrates for optical filters.

It is also commonly used for making laser mirrors due to its good thermal conductivity and low density. UM Optics can provide many specifications of monocrystalline silicon blanks and finished products.

Specifications

Type Of Crystal:	Silicon, Crystalline Silicon
Crystal Diameter Range:	3 – 300 mm
Crystal Length Range:	3 – 300 mm
Wavelength Range:	1200 – 15000 nm
Wavelength Range:	1.2-15μm
Crystal Diameter:	300mm
Material Grade:	CZ,FZ
Orientation:	<111>,<110>,<100>
Conductive Model:	N type，P type
Blank Shape:	Round, rectangular, wedge, lens, step, drilled, special-shaped

Got questions about specs? Use the inquiry form to ask.

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Features

Broad infrared transmittance: Delivers excellent light transmission across mid-to-far infrared wavelength ranges, with minimal absorption for efficient optical signal transfer
High thermal conductivity: Enables rapid heat dissipation, preventing thermal distortion even when exposed to high-power laser sources
Superior mechanical stability: Boasts strong rigidity and scratch resistance, ensuring long-term structural integrity in harsh operating environments
Customizable surface precision: Supports ultra-smooth polishing and tailored coatings to enhance performance for specific application needs
Versatile coating compatibility: Works with various coating technologies (e.g., gold, dielectric films) to expand suitability for different infrared systems
Cost-effective performance: Balances high optical quality with competitive pricing, ideal for mid-range infrared applications

Applications

Infrared imaging systems: Used as lenses and windows in thermal cameras, night vision devices, and infrared surveillance equipment
Laser processing systems: Applied in CO₂ laser cutting and engraving machines as reflective mirrors and beam steering components
Laser radar (LiDAR): Serves as core optical elements for automotive LiDAR and industrial distance measurement systems
Infrared spectroscopy: Utilized in infrared spectrometers for material composition analysis and environmental gas detection
Aerospace and defense: Integrated into infrared guidance systems and satellite-borne infrared sensing equipment
Industrial metrology: Employed in precision infrared measurement tools for non-destructive testing and quality control

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Frequently Asked Questions

What wavelength range is silicon optical material suitable for?

Silicon is optimized for mid-to-far infrared applications, typically covering the wavelength range from 1.2 μm to 15 μm. It is opaque in the visible light spectrum.

Can silicon optical components be used in high-power laser systems?

Yes. Silicon’s high thermal conductivity allows efficient heat dissipation, which helps maintain optical stability and prevent damage when exposed to high-power infrared laser beams.

What are the main differences between CZ silicon and FZ silicon?

CZ (Czochralski) silicon has higher oxygen content and lower production cost, suitable for general infrared and electronic applications. FZ (Floating Zone) silicon features ultra-high purity, low oxygen levels, and superior optical homogeneity, ideal for high-precision infrared systems and semiconductor devices requiring minimal impurities.

What are the connections and differences between silicon (Si) and germanium (Ge) optical materials?

Connections: Both are semiconductor-based infrared optical materials with good mechanical rigidity and coating compatibility, widely used in mid-to-far infrared systems. Differences: Silicon has a wider infrared transmission range (1.2–15 μm) and higher thermal conductivity, ideal for high-power laser applications. Germanium has higher refractive index and better transmittance in 2–14 μm band but is more brittle and expensive, suitable for high-precision infrared imaging.

Does your company provide custom silicon optical components?

Yes. We offer full customization services including custom dimensions, surface precision, edge treatment, and specialized coatings to meet specific customer requirements.

Got more questions? Use the RFQ form to ask the supplier directly.