Potassium Chloride (KCl) Optical Crystal, <100>, Single-side polish, 20 x 20 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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This potassium chloride optical crystal is water-soluble and highly moisture sensitive, requiring storage in a dry, low-humidity environment. Chemical polishing is not recommended due to the risk of surface degradation; only mechanical polishing methods should be considered.
- Moisture Sensitivity: The crystal must be stored in a desiccated environment or under vacuum to prevent dissolution or surface fogging.
- Cleaning Limitation: Chemical polishing agents must not be used; only dry cleaning with inert gas or gentle mechanical methods are permissible.
- Orientation Tolerance: The <100> orientation is specified with a tolerance of ±0.5–2°, which must be verified before use in precision optical assemblies.
- Surface Quality Constraints: The polished surface has a scratch/dig specification of 80/50 and roughness ≤30 nm, requiring careful handling to avoid contamination or abrasion.
- Packaging and Environment: The crystal is packaged in a Class 100 clean bag and should be opened only in a Class 1000 or cleaner environment to maintain surface integrity.
What are the key handling constraints for a KCl optical crystal with single-side polish due to its water solubility?
This KCl crystal is water-soluble and moisture-sensitive, requiring handling in a dry environment. The product specification explicitly states that chemical polishing is not recommended, and packaging is done in a Class 100 clean bag within a Class 1000 or cleaner-room environment to prevent surface degradation.
Does the <100> orientation and single-side polish on this 20 x 20 mm KCl crystal affect its suitability as a thin-film substrate for film-separation workflows?
Yes, the <100> orientation and single-side polish are specifically selected for water-soluble thin-film substrate workflows, enabling film-substrate separation. The cubic crystal structure, lattice constant of 6.291 Å, and broad transmission range of 0.2–27.5 μm further support its use in infrared spectroscopy and optical component applications where substrate removal is required.
What is the orientation tolerance and surface quality specification for this KCl crystal, and how do they impact optical performance?
The orientation tolerance is ±0.5–2°, and the surface quality is S/D 80/50 with surface roughness ≤ 30 nm. These specifications ensure low scattering and high transmission (91%) across the 0.2–27.5 μm range, making the crystal suitable for precision infrared spectroscopy, laser windows, and prism applications without significant wavefront distortion.
This KCl optical crystal offers broad 0.2–27.5 μm transmission and 91% transmission via Czochralski growth, but its water solubility and moisture sensitivity demand strict environmental controls and prohibit chemical polishing.
Positive
- Broad UV-to-mid-IR transmission: Transmission range of 0.2–27.5 μm enables use in infrared spectroscopy, laser windows, and optical components across a wide spectral band.
- Low impurity, high transmission: Czochralski pulling method yields a cubic crystal with 91% transmission and low impurity absorption, suitable for high-precision optical applications.
Trade-offs
- Water-soluble and moisture-sensitive: KCl crystal is water-soluble and moisture sensitive; requires Class 100 clean bag packaging and controlled environment handling to prevent degradation.
- Chemical polishing not recommended: Surface finishing is limited; chemical polishing is not recommended, and the as-supplied surface quality (S/D 80/50, roughness ≤30 nm) may not meet all application requirements.
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).
