Diffraction Grating 80–1600 Lines/mm | Optical Spectroscopy
Diffraction Grating 80–1600 Lines/mm | Optical Spectroscopy
Precision Diffraction Grating for Optical Experiments & Spectroscopy
Unlock the science of light with this high-quality transmission diffraction grating, available in six line densities — 80, 300, 600, 1000, 1200, and 1600 lines/mm. Crafted from durable PET/plastic and sized at a convenient 38 × 36 mm, this compact optical element is the ideal tool for students, educators, hobbyists, and professional lab technicians alike.
Whether you're demonstrating wave optics in the classroom, calibrating a spectrophotometer, or exploring the visible spectrum at home, this diffraction grating delivers clean, bright spectral dispersion with each use. Simply select the line density that matches your application and observe light split into its stunning rainbow components.
Key Features
- 6 Line Densities Available: 80, 300, 600, 1000, 1200, and 1600 lines/mm — choose the resolution that suits your experiment
- Transmission Type: Ideal for spectroscopy, wavelength measurement, and optical demonstrations
- Compact Size: 38 × 36 mm — easy to handle, mount, or integrate into optical setups
- Durable Material: Made from high-quality PET/plastic for long-lasting performance
- Wide Application: Spectrophotometry, physics labs, STEM education, laser experiments, and DIY optical projects
Specifications
- Line Densities: 80 / 300 / 600 / 1000 / 1200 / 1600 lines/mm
- Type: Transmission Diffraction Grating
- Dimensions: 38 × 36 mm
- Material: PET / Plastic
- Variants: 6 options
Perfect For
- Physics and optics classroom demonstrations
- Spectrophotometer calibration and wavelength analysis
- DIY spectroscope builds
- Laser diffraction experiments
- STEM and science fair projects
For more information on how diffraction gratings are used in scientific research and education, visit the National Institute of Standards and Technology (NIST) – Optical Radiation resource page.
Frequently Asked Questions
Q: What line density diffraction grating should I choose for my experiment?
A: The best line density depends on your application. Lower densities (80–300 lines/mm) provide wider angular dispersion and are great for general demonstrations, while higher densities (600–1600 lines/mm) offer finer spectral resolution ideal for precise spectrophotometry and wavelength analysis. If you're doing classroom demos, 300 or 600 lines/mm is a popular starting point.
Q: What is a transmission diffraction grating and how does it work?
A: A transmission diffraction grating is an optical element with a series of parallel grooves or lines etched at precise intervals. When light passes through it, the grooves cause constructive and destructive interference, splitting the light into its component wavelengths (a spectrum). The number of lines per millimeter determines the angle and resolution of the resulting spectrum.
Q: What material is this diffraction grating made from?
A: This diffraction grating is made from PET/plastic, making it lightweight, durable, and safe for everyday educational and laboratory use. Its 38 × 36 mm size makes it easy to handle and integrate into a variety of optical setups.
Q: Can this grating be used with a homemade spectroscope or DIY optical kit?
A: Yes! This transmission diffraction grating is a popular choice for DIY spectroscopes, homemade spectrometers, and STEM project kits. Its standard size and multiple line-density options make it highly versatile for both beginner and advanced optical builds.