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Optical elements called plane blazed holographic gratings are used to separate light into its individual wavelengths.
They are created by employing laser light to imprint a holographic interference pattern onto a photosensitive substance.
A sequence of uniformly spaced lines or grooves are produced on the material’s surface by interacting two laser beams at a particular angle to produce the interference pattern.
Similar to a prism, light is diffracted and split into its many wavelengths when it passes through a plane-blazed holographic grating.
The grating, as opposed to a prism, has a far higher spectrum resolution and efficiency. This is so that the amount of light that is diffracted into a specific order, known as the “flame wavelength,” can be maximised by the grating’s light dispersion.
The angle of the grooves on the grating, which is meticulously adjusted during the production process, determines the blazing wavelength.
Applications for plane blazed holographic gratings include spectroscopy, telecommunications, and laser systems. They are perfect for a wide variety of precision optical applications because they have high efficiency, low polarisation sensitivity, and minimal stray light.
Global plane blazed holographic gratings market accounted for $XX Billion in 2023 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2024 to 2030.
A variety of holographic master gratings are produced by HORIBA Scientific from which highly accurate copies are made. Spectral ranges from 190 to 1750 nm, a variety of groove frequencies between 600 and 2400 g/mm, and diffraction efficiency that is designed for UV, Vis, or NIR.
From 25 x 25 mm to 120 x 140 mm in size. HJY may record a personalised holographic grating master especially for duplication for clients who require greater dimensions.
The groove density, blaze wavelength, and dimensions are all represented by code numbers in the model numbers for Shimadzu’s standard plane blazed holographic gratings. The density of the grooves is 900/mm. 1200 nm is the blaze’s wavelength, while 33° is its angle.
