49-578 12.7 x 12.7 x 3 mm B270 Glass; Transmission Grating; 1200 Grooves/mm Uncoated

The 49-578 is a Transmission Grating, a type of optical component that separates incident light into various wavelengths, creating a spectrum. This particular grating, sourced from Edmund Optics, measures 12.7 x 12.7 x 3 mm and is made of B270 glass, a high-quality borosilicate glass known for its excellent transmission properties and chemical resistance.

The grating features 1200 grooves per millimeter, a high density that allows for precise wavelength separation. The blaze wavelength is 400 nm, indicating the wavelength at which the grating is most efficient. The blaze angle is 36.9 degrees, a common value for transmission gratings that contributes to the grating's efficiency.

The orientation vector is (1, 0, 0), meaning the grating's grooves are parallel to the x-axis. The order is -1, indicating the diffraction order of the grating. The grating side is 'Back', meaning the incident light should enter from the back side of the grating.

This grating is uncoated, meaning it does not have any additional layers of material applied to enhance its properties. While coatings can improve efficiency and durability, uncoated gratings are often chosen for their simplicity and cost-effectiveness.

The grating's geometry is rectangular, with a width of 12.7 mm, a length of 12.7 mm, and a thickness of 3 mm. The inner and outer radii are both 0, indicating a flat grating.

According to the vendor's website, this item is in stock, making it readily available for immediate use. The item's catalog number is 49-578, and it can be found on Edmund Optics' website for further information.