Potassium Chloride (KCl) Optical Crystal, <100>, Single-side polish, 10 x 10 mmProduct Type: Infrared optical crystal
Research-grade laboratory product
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LABORATORY PROCUREMENT SUPPORT
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E-MAIL: inquiry@atomfair.com
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Manufacturer: Atomfair LLC
Brand: ATOMFAIR®
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Potassium chloride optical crystals are water-soluble and moisture sensitive, requiring strict humidity control during storage and handling. Chemical polishing is not recommended due to material solubility and the need to preserve surface quality.
- Moisture Sensitivity: Store the crystal in a low-humidity environment, as exposure to moisture can degrade the surface quality.
- Water Solubility: Avoid contact with water or aqueous solutions, as the crystal dissolves upon contact.
- Chemical Polishing Restriction: Do not apply chemical polishing methods; use only mechanical polishing if surface refinement is required.
- Cleanroom Handling: Handle and package the crystal in a Class 1000 or cleaner environment to maintain surface specifications.
- Orientation and Specification Verification: Confirm the <100> orientation, size, thickness, and surface finish before use to ensure correct application.
What is the transmission range and refractive index of the KCl <100> single-side polished crystal for infrared spectroscopy?
The KCl crystal transmits from 0.2 to 27.5 μm with a refractive index of 1.49 and 91% transmission, making it suitable for mid-infrared spectroscopy, prisms, and laser windows. The <100> orientation and single-side polish on the 10 x 10 mm format support low-scatter optical paths in the 0.2–27.5 μm band.
Can this KCl crystal be used as a water-soluble substrate for thin-film separation, and what handling precautions are required?
Yes, the water-soluble nature of KCl enables film-substrate separation workflows, but the crystal is moisture sensitive and chemical polishing is not recommended. It must be stored and handled in a dry environment; packaging is provided in a Class 100 clean bag and should be opened only in a Class 1000 or cleaner room to prevent surface degradation.
What are the orientation tolerance and surface quality specifications for this KCl optical crystal?
The orientation tolerance is ±0.5–2° for the <100> cut, surface quality is S/D 80/50, and surface roughness is ≤ 30 nm. Thickness is customizable from 0.5 to 5 mm, and these parameters must be confirmed before quotation to ensure compatibility with the intended optical or substrate application.
This Potassium Chloride optical crystal in <100> orientation with single-side polish and 10×10 mm format offers broad UV-to-mid-IR transmission (0.2–27.5 μm) and high transmission (91%), making it suitable for infrared spectroscopy, optical components, and water-soluble thin-film substrates. However, its water solubility and moisture sensitivity demand careful handling and storage in dry environments, and chemical polishing is not recommended.
Positive
- Broad UV-to-Mid-IR Transmission: Transmission range from 0.2 to 27.5 μm covers ultraviolet through mid-infrared, enabling versatile use in infrared spectroscopy, laser windows, and optical components.
- High Transmission with Low Impurity Absorption: Achieves 91% transmission with low impurity absorption, ensuring efficient optical performance in demanding spectroscopic and photonic applications.
Trade-offs
- Water-Soluble and Moisture-Sensitive: The crystal is water-soluble and moisture-sensitive, requiring storage in dry environments and careful handling to prevent surface degradation or dissolution.
- Chemical Polishing Not Recommended: Chemical polishing is not recommended due to the material's solubility, limiting surface rework options and requiring pristine handling during fabrication.
Every advanced material, component, equipment, and instrument in our catalog is backed by rigorous testing. We maintain strict internal quality management frameworks and align with CE conformity metrics to deliver transparent, reproducible performance data via our public open-science repository.
To request raw batch performance data, submit formal vendor registration paperwork, or execute a fast-turnaround R&D manufacturing loop, contact us at inquiry@atomfair.com.
Item is dispatched under the Atomfair Shipping & Delivery Framework (Free worldwide shipping on orders over $59 USD excl. heavy equipment). Return is governed by the Atomfair Return & Refund Policy (7-day technical return window).
