Set of 3 diffraction gratings
Product Code : SCL-OS-12841
The Set of 3 Diffraction Gratings by Educational Instrument includes three commonly used grating densities: 100 lines/mm, 300 lines/mm, and 600 lines/mm. These gratings help students compare how line density affects diffraction angle, spectral separation, and the clarity of observed maxima.
Each grating is suitable for use with spectrometers, optical benches, laser sources, slit arrangements, screens, and optical rail holders. The set supports practical demonstrations of the grating equation, visible spectrum formation, first-order and second-order spectra, and wavelength calculation in supervised laboratory work.
Key Features
Set of 3 diffraction gratings for comparative wave-optics experiments.
Includes 100, 300, and 600 lines/mm grating options.
Suitable for wavelength determination and spectral analysis.
Compatible with spectrometers, optical benches, screens, and optical holders.
Helps students compare grating density, diffraction angle, and spectral spread.
Useful for senior school, college, university, TVET, and STEM laboratories.
Designed for supervised physics optics practicals and classroom demonstrations.
Technical Specifications
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Specification |
Detail |
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Product Name |
Set of 3 Diffraction Gratings |
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Brand |
Educational Instrument |
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Product Category |
Physics Lab Equipment > Optical Sectional / Wave Optics Apparatus |
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Product Code Reference |
SCL-OS-11839 / SCL-OS-12839 [confirm final SKU before upload] |
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Set Capacity |
Set of 3 gratings |
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Grating Densities |
100 lines/mm, 300 lines/mm, 600 lines/mm |
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Slide Format |
50 mm × 50 mm |
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Material / Substrate |
Optical-grade polymer emulsion on glass or acrylic carrier [confirm final construction] |
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Mounting Compatibility |
Universal 50 mm optical rail holders and standard optical bench setups |
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Primary Keyword |
set of 3 diffraction gratings |
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Secondary Keywords |
diffraction grating set, 100 300 600 lines/mm gratings, physics lab grating set, wave optics apparatus, spectrometer grating set, wavelength determination gratings |
What's Included in the Kit
1 × Diffraction grating, 100 lines/mm
1 × Diffraction grating, 300 lines/mm
1 × Diffraction grating, 600 lines/mm
Protective slide frame or mount [confirm]
User instruction sheet or technical note [confirm]
Applications / Uses
Determining the wavelength of monochromatic light.
Comparing diffraction patterns from different grating densities.
Observing visible spectrum separation in optics experiments.
Teaching the grating equation and spectral order.
Using with spectrometers for quantitative wavelength measurements.
Demonstrating first-order and second-order diffraction maxima.
How to Use the Set of 3 Diffraction Gratings
Place the spectrometer, optical bench, or screen setup on a stable laboratory table.
Select one grating from the set: 100, 300, or 600 lines/mm.
Mount the grating in a suitable 50 mm optical holder.
Align the light source so the beam falls normally on the grating surface.
Observe the diffracted spectrum through a spectrometer or on a screen.
Measure the diffraction angle for the required spectral order.
Repeat the experiment with the other gratings and compare spectral separation.
Safety note: If a laser source is used, never look directly into the beam. Handle each grating only by the frame or edges to protect the optical surface.
Care & Maintenance
Store the gratings in a dry, dust-free optics box after use.
Do not touch the ruled or coated optical surface.
Clean only with approved optical cleaning methods.
Keep away from moisture, heat, chemical vapours, and abrasive materials.
Why Choose Educational Instrument
Educational Instrument supplies scientific laboratory instruments, lab experiment setups, science kits, mathematics kits, didactic models, and STEM models for academic use. The company offers practical teaching apparatus for physics, optics, lasers, mechanics, electronics, chemistry, biology, and classroom demonstrations. Buyers can explore related equipment through Physics Lab Equipment, Optical Sectional Apparatus, Diffraction Gratings, and Demonstration Diffraction Grating Slide.
Frequently Asked Questions
What is a set of 3 diffraction gratings used for?
A set of 3 diffraction gratings is used to compare diffraction patterns, measure wavelengths, and study spectral separation using different grating densities.
Which grating densities are included?
The set includes 100 lines/mm, 300 lines/mm, and 600 lines/mm diffraction gratings.
Can these gratings be used with a spectrometer?
Yes. These gratings can be used with a suitable spectrometer for wavelength determination and spectral analysis experiments.
Is this set suitable for school laboratories?
Yes. It is suitable for supervised senior school, college, university, TVET, and STEM laboratory optics experiments.
What is the slide size?
The listed slide format is 50 mm × 50 mm, suitable for standard optical holder and optical bench arrangements.
Can the gratings be used with a laser source?
Yes. They can be used with a suitable laser source for diffraction maxima observation, provided laser safety rules are followed.
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