Potassium Chloride (KCl) Optical Crystal, <111>, Double-side polish, 20 x 20 mmProduct Type: Infrared optical crystal
Research-grade laboratory product
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LABORATORY PROCUREMENT SUPPORT
For model selection, technical specification confirmation or configuration support, contact our technical sales team.
E-MAIL: inquiry@atomfair.com
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Manufacturer: Atomfair LLC
Brand: ATOMFAIR®
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This crystal is water-soluble and highly moisture sensitive, requiring storage in a dry, low-humidity environment. Handling must be performed in a cleanroom environment (Class 1000 or better) to prevent surface contamination and degradation.
- Moisture Sensitivity: The crystal absorbs atmospheric moisture readily, which can degrade optical surface quality and cause dissolution.
- Water Solubility: Contact with water or high humidity will dissolve the crystal surface, rendering it unusable for optical applications.
- Cleanroom Handling: Unpack and handle the crystal only in a Class 1000 or cleaner environment to avoid particulate contamination.
- Chemical Polishing Restriction: Do not use chemical polishing methods; only mechanical polishing is recommended to maintain surface integrity.
- Packaging Integrity: Store the crystal in its original Class 100 clean bag until use to preserve surface quality.
What is the transmission range and refractive index of the KCl <111> double-side polished crystal?
The KCl optical crystal transmits from 0.2 to 27.5 μm with a refractive index of 1.49 and a transmission of 91%. This broad UV-to-mid-IR range makes it suitable for infrared spectroscopy, laser windows, and optical components, though the high transmission assumes proper moisture-free handling.
Can this KCl crystal be used as a water-soluble substrate for thin-film separation?
Yes, the 20 x 20 mm double-side polished KCl crystal is explicitly designed as a water-soluble substrate for film-substrate separation workflows. Because KCl is water-soluble and moisture-sensitive, chemical polishing is not recommended, and the crystal must be stored and handled in a dry environment to prevent surface degradation.
What are the handling and storage requirements for this moisture-sensitive KCl crystal?
KCl is a water-soluble crystal that is highly moisture sensitive; it is packaged in a Class 100 clean bag and processed in a Class 1000 or cleaner-room environment. Chemical polishing is not recommended, and the surface roughness is ≤30 nm with S/D 80/50. Storage must be in low-humidity conditions to maintain optical quality.
This 20×20 mm double-side polished KCl crystal with <111> orientation offers broadband transmission from 0.2 to 27.5 μm at 91% efficiency, making it suitable for infrared spectroscopy and water-soluble thin-film substrate applications. Its moisture sensitivity and orientation tolerance requirements demand controlled storage and pre-order specification confirmation.
Positive
- Broad UV-to-MIR Transmission: KCl crystal transmits from 0.2 to 27.5 μm with 91% transmission, enabling use in infrared spectroscopy, laser windows, and optical components across a wide spectral range.
- Water-Soluble Substrate Capability: The crystal's water solubility allows film-substrate separation workflows, a unique advantage for thin-film transfer applications in advanced materials research.
Trade-offs
- Moisture Sensitivity and Handling Constraints: KCl is water-soluble and moisture sensitive, requiring storage in dry, low-humidity environments and careful handling to avoid surface degradation; chemical polishing is not recommended.
- Orientation and Tolerance Confirmation Required: The <111> orientation has a tolerance of ±0.5–2°, and custom thickness and polish specifications must be confirmed before order, adding lead time and potential for misalignment if not explicitly verified.
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).
