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Langqi engraved line, also known as Langqi engraved lineRonchi RulingsOn a glass substrate, a metal chromium coating is applied to form a grid, and the width of the opaque lines is approximately equal to the line spacing1/2Used for base glassB270Glass, refractive index1.52The size is50*50*1.5mm（R28Excluding), the grating engraving area basically covers the entire glass plate（0R25、R26、R27Except for this3The width of the engraved area is approximately30mm）. This type of grating is mainly used to detect optical resolution, long distortion, and stability of equal focal length, and can also be used as a grating to generate interference patterns.
R12 pattern
Ordering information:
|
Item number |
Product Description |
Specifications |
|
68098-25 |
Grating–Ronchi ruling 2 lines per mm. |
R12 |
|
68098-26 |
Grating–Ronchi ruling 8 lines per mm |
R15 |
|
68098-27 |
Grating–Ronchi ruling 20 lines per mm. |
R16 |
|
68098-28 |
Grating–Ronchi ruling 40 lines per mm. |
R17 |
|
68098-29 |
Grating–Ronchi ruling 50 lines per mm. 50mm x 50mm |
R25 |
|
68098-30 |
Grating–Ronchi ruling 100 lines per mm. 50mm x 50mm |
R26 |
|
68098-31 |
Grating–Ronchi ruling 125 lines per mm. 50mm x 50mm |
R27 |
|
68098-32 |
Grating-Ronchi ruling 200 lines per mm,External dimensions76*25mm, soda lime glassWooden box packaging |
R28 |
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