Semi Circular Glass Slab
Product Code : SCL-PLE-11729
The StemAids Semi-Circular Glass Slab is a precision-machined optical component engineered for the empirical study of Snell’s Law, critical angle determination, and Total Internal Reflection (TIR). Optimized for Secondary and University-level physics, this slab features a high-clarity refractive medium that allows for the visualization of ray paths through a curved boundary. Manufactured to ISO 9001:2015 standards, it provides a distortion-free solution for quantifying the refractive index of glass within institutional laboratory environments.
Technical Specifications
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Tender Specification |
OEM Technical Detail |
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Material Grade |
High-transparency Optical Crown Glass / Borosilicate 3.3 |
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Geometry |
Semi-circular (D-type) with precision-ground edges |
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Surface Finish |
Optically polished faces with frosted bottom for ray visibility |
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Standard Dimensions |
75mm x 12mm or 90mm x 15mm (Diameter x Thickness) |
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Refractive Index |
Typically n=1.50 to 1.52 (Batch-verified) |
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Functional Principle |
Snell’s Law / Critical Angle / Wavefront Refraction |
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Edge Quality |
Beveled safety edges to prevent chipping and ensure user safety |
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ISO Compliance Code |
Manufactured under ISO 9001:2015 Quality Management Systems |
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HS Code |
9023.00.00 (Educational/demonstrational scientific apparatus) |
Key Pedagogical Outcomes (Bloom’s Taxonomy Alignment)
- Refractive Boundary Interface: Facilitates student visualization of ray deviation at the air-glass interface, supporting Geometrical Optics Module 101.
- Critical Angle Quantification: Enables the physical study of internal reflection, allowing learners to apply the formula sin(c)=1/n to determine the threshold for total internal reflection.
- Snell’s Law Analysis: Supports the analysis of the ratio between the sine of the angle of incidence and the sine of the angle of refraction (n1sinθ1=n2sinθ2).
- Optical Path Evaluation: Allows students to evaluate how light behaves when striking a curved surface at the normal versus an oblique angle, demonstrating the properties of a semi-circular lens.
International Logistics & Compliance
StemAids ensures comprehensive OEM readiness for global institutional procurement:
- Packaging: Export-grade seaworthy crating (ISPM-15 compliant) featuring individual velvet-lined slots or high-density foam inserts to prevent surface scratching and mechanical stress during transit.
- Documentation: Includes Manufacturer’s Authorization Form (MAF), Certificate of Conformance (CoC), and batch-specific refractive index data.
- Durability: Tropicalized design featuring chemical-stable glass that resists "clouding" and solarization in high-humidity or high-UV laboratory environments.
Direct OEM Sourcing Advantages
Procuring the StemAids Semi-Circular Glass Slab directly ensures vertical manufacturing control:
- In-House Precision Grinding: Every slab is batch-tested for dimensional symmetry and flatness to ensure rays emerge without unwanted spherical aberration.
- Batch-Tested for Uniform Reliability: Samples from each production run undergo spectrophotometric analysis to ensure consistent refractive index across all units.
- Direct Factory Spares Availability: Guaranteed availability of matching rectangular slabs, prisms, and specialized ray-box light sources to maintain complete optical kits.
- Manufacturing Control: Direct oversight of the annealing process ensures the glass is free from internal striae and bubbles, providing a clear, uninterrupted path for laser and white-light demonstrations.
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