Lithium Fluoride Optical Prism

Lithium Fluoride Optical Prism

Supplier
Scysgx
Category
Prisms
Origin
China

Lithium fluoride(LiF) is an optical crystal with excellent deep-UV transmission, spanning150nm vacuum UV to6μm mid-IR, for precision prism elements in UV optics, laser systems, spectroscopy, and research laboratories. Scysgx processes high-purity single crystals into right-angle, equilateral, pentagonal, roof, Dove, and special-shaped prisms. Sizes span1–1000mm, with high angular accuracy and smooth surfaces. Available antireflection, high-reflection, and beamsplitting coatings provide reliable deep-UV-to-IR broadband prism solutions.

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Overview

Lithium fluoride(LiF) is an optical crystal with excellent deep-UV transmission, spanning150nm vacuum UV to6μm mid-IR, for precision prism elements in UV optics, laser systems, spectroscopy, and research laboratories. Scysgx processes high-purity single crystals into right-angle, equilateral, pentagonal, roof, Dove, and special-shaped prisms. Sizes span1–1000mm, with high angular accuracy and smooth surfaces. Available antireflection, high-reflection, and beamsplitting coatings provide reliable deep-UV-to-IR broadband prism solutions.

Specifications

ParameterValue
Side Length Range [Commercial Grade]1–1000 mm
Thickness Range [Commercial Grade]1–600 mm
Dimensional Tolerance [Commercial Grade]±0.05 mm
Angle Tolerance [Commercial Grade]±3′
Flatness [Commercial Grade;@632.8nm]0.5λ
Surface Quality [Commercial Grade]60-40
Applicable Wavelength Band [Commercial Grade]150nm–6μm
Chamfer [Commercial Grade]0.2–0.5×45°
Side Length Range [High-Precision Grade]1–1000 mm
Thickness Range [High-Precision Grade]1–600 mm
Dimensional Tolerance [High-Precision Grade]±0.01 mm
Angle Tolerance [High-Precision Grade]2″–30″
Flatness [High-Precision Grade;@632.8nm]λ/10
Surface Quality [High-Precision Grade]10-5
Applicable Wavelength Band [High-Precision Grade]150nm–6μm
Chamfer [High-Precision Grade]0.2–0.5×45°

Applications

Vacuum/deep-ultraviolet optical systems: UV spectrometers, UV lasers and lithography inspection. Research laboratories: wavelength calibration, spectroscopic systems and polarization paths. Infrared systems: near-/mid-infrared detection and thermal-imaging prisms. Medical optics: UV diagnosis and medical-imaging optical-path components. Aerospace and metrology: high-precision optical instruments, astronomical optics and standard-angle prisms.

Key Features

Ultrabroad transmission: 150nm–6000nm for vacuum UV, UV, visible, near-IR and mid-IR. Excellent deep-UV transmission: among few common crystals transmitting from 150nm, for vacuum-UV systems. Low dispersion/high homogeneity ensure accurate imaging, spectral splitting, wavelength calibration and polarization. Precision angles: tolerance to ±3″, flatness to λ/10. Full structures: right-angle, equilateral, roof, Dove, pentagonal, rhomboid, corner-cube and irregular. Physicochemical stability and radiation resistance suit research/medical optics. IV. Material advantages. Transmission 150nm (vacuum UV)~6μm (mid-IR), outstanding UV performance. Index n≈1.392, high Abbe number and ultralow dispersion for precise splitting. Moderate hardness permits polishing, angle and irregular fabrication. Softening point about 600℃ suits UV lasers and conventional optics. UV-radiation resistance for long-term UV paths. V. Types: right-angle (90°/45°), equilateral dispersive (60°), roof, Dove, pentagonal, rhomboid, retroreflecting corner-cube and custom irregular prisms with steps/holes/special angles. VI. Coatings: vacuum-/deep-UV AR 150–400nm; visible AR 400–700nm; near-/mid-IR AR 3–5μm; broadband AR 150nm–6μm; HR, beamsplitter and polarization layers; high-laser-damage-threshold coatings for UV lasers. VIII. Yasi Optical advantages. In-house cutting → grinding → polishing → angle finishing → coating → inspection. Nikon goniometers, ZYGO and optical dimensional instruments provide full inspection. Large sizes and small batches accepted. Standard stock and rapid custom delivery. Clean washing/vacuum packaging ensure UV-grade surfaces. IX. Quality: every lithium fluoride prism passes angle, flatness, dimension, surface-quality and transmission tests before shipment for reliable UV/IR optical paths.

Datasheet

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Supplier Information

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Scysgx
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Sichuan Yasi Optics is a source factory focusing on the R&D and manufacturing of optical components, which has rapidly emerged as a benchmark enterprise in the industry that combines innovation and quality. The company's core business focuses on the customized production of various optical components such as optical prisms, optical lenses, optical windows, laser lenses, etc. The products are widely suitable for application needs in multiple industries including medical, manufacturing, and scientific research. In terms of material selection, we support diverse substrates such as NBK7, quartz, sapphire, germanium, molybdenum, copper, zinc sulfide, fluoride, gallium arsenide, etc., to meet performance requirements in different scenarios. Relying on more than 260 processing equipment and 13 professional testing equipment, we have built a complete processing chain from cutting, grinding, polishing, coating to inspection and delivery. We can not only achieve rapid delivery of small and large batch products, but also precisely meet the personalized production needs of different customers.

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