Fresnal’s Bi-Prism
Product Code : SCL-OS-11842
Engineered for high-precision interference experiments via wavefront division, this Fresnel’s Biprism facilitates the quantitative measurement of monochromatic light wavelengths and refractive indices. Optimized for University and Senior Secondary physics curricula, the instrument enables stable fringe production in standardized optical bench environments.
Technical Specifications
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Tender Specification |
OEM Technical Detail |
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Material Grade |
Optical Grade Crown Glass (Precision Ground) |
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Dimensions |
40mm x 32mm / 50mm x 40mm (Standardized) |
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Optic Configuration |
Two acute-angled prisms joined base-to-base |
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Obtuse Angle |
Approximately 179° (Calibrated for wavefront splitting) |
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Refractive Index |
Consistent across batch (Tested per ASTM E1967) |
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HS Code |
9023.00.90 (Demonstrational Apparatus) |
Key Pedagogical Outcomes (Bloom’s Taxonomy)
Feature: Precision Base-to-Base Geometry.Outcome: Allows students to synthesize the concept of virtual coherent sources facilitating the transition from theoretical wave optics to empirical observation.
Feature: Optically Worked Surfaces.Outcome: Minimizes scattering and parasitic light, enabling students to calculate fringe width with high reproducibility during laboratory examinations.
Feature: Acute Angle Calibrations.Outcome: Produces distinct interference fringes required for determining the wavelength of sodium vapor or laser light sources using the formula
Feature: Material Homogeneity.Outcome: Facilitates the measurement of the refractive index of thin films or glass slides through lateral fringe displacement analysis.
International Logistics & Compliance
Export-grade seaworthy crating (ISPM-15 compliant) is utilized for all international shipments to prevent mechanical shock and optical degradation during transit. Documentation provided includes the Manufacturer’s Authorization Form (MAF), optional for institutional audits, and comprehensive User Manuals in English. The instrument features a tropicalized design, tested for operational stability in environments up to 45°C and 90% humidity, ensuring the longevity of optical coatings and structural integrity in non-temperate climates.
Why Source from the OEM?
Procurement from this facility ensures complete vertical integration of the manufacturing lifecycle. Our facility utilizes in-house optical grinding and polishing to maintain sub-micron flatness and precise obtuse angle tolerances often compromised by secondary traders. Every unit is batch-tested for uniformity using monochromatic light verification to ensure fringe clarity and alignment. Direct sourcing guarantees factory-direct spares availability and technical support from the engineering team, bypassing intermediary logistics risks.
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