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The catalog number system
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All standard Newport gratings have a catalog number, according to the following format:
AA BBB CC DD - EEE x
- The 1st and 2nd characters AA are numerals that indicate the type of grating:
| 33 |
Diced |
| 34 |
Diced Transmission |
| 43 |
Wedged |
| 52 |
Concave |
| 53 |
Plano |
| 54 |
Plano Transmission |
| 63 |
Score and Snap |
| 65 |
Grism |
- The 3rd, 4th and 5th characters BBB are numerals that indicate the size of the grating substrate.
- The 6th and 7th characters CC are letters that indicate the substrate material:
| AL |
aluminum |
| BF |
borosilicate float |
| BK |
BK-7 glass or equivalent |
| CU |
copper |
| FL |
float glass |
| FS |
fused silica |
| SP |
special glass (unspecified) |
| TB |
BK-7, transmission grade |
| TF |
fused silica, transmission grade |
| UL |
Corning ULE® glass |
| ZD |
Schott Zerodur® |
| WC |
white crown |
- The 8th and 9th characters DD are numerals that indicate the type of coating.
| 01 |
aluminum |
| 02 |
gold |
| 03 |
aluminum with MgF2 |
| 06 |
protected silver |
| 07 |
transmission |
| 09 |
aluminum with SiO2 |
- The 10th, 11th and 12th characters EEE serve to identify the groove parameters: the groove frequency, blaze angle and blaze wavelength. [In the case of concave gratings, these characters indicate the substrate radius as well].
- The last character x indicates the type of master grating used to make the product:
| C |
concave holographic |
| D |
concave ruled |
| E |
echelle |
| H |
holographic |
| R |
ruled (non-echelle) |
Example: 53004BK01-010R
| 53 → |
plano grating |
| 004 → |
30 x 30 x 10 mm (substrate dimensions); 26 x 26 mm (ruled area) |
| BK → |
BK-7 substrate material |
| 01 → |
aluminum coating |
| 010 → |
600 g/mm, 5.2° blaze angle master grating |
| R → |
ruled master |
Example: 53015FS02-200H
| 53 → |
plano grating |
| 015 → |
110 x 110 x 16 mm (substrate dimensions); 102 x 102 mm (ruled area) |
| FS → |
fused silica substrate material |
| 02 → |
gold coating |
| 200 → |
1200 g/mm, blazed at 250 nm |
| H → |
plano holographic master |
Example: 53028ZD06-414E
| 53 → |
plano grating |
| 028 → |
165 x 220 x 35 mm (substrate dimensions); 154 x 206 mm (ruled area) |
| ZD → |
Schott Zerodur® substrate material |
| 06 → |
protected silver coating |
| 414 → |
31.6 g/mm, 76° blaze angle |
| E → |
echelle master |
Example: 52027BK03-010C
| 52 → |
concave grating |
| 027 → |
32 x 32 mm (substrate dimensions); 30 x 30 mm (ruled area) |
| BK → |
BK-7 substrate material |
| 03 → |
aluminum with MgF2 |
| 010 → |
1200 g/mm, constant-deviation grating, blazed at 250 nm |
| C → |
concave holographic master |
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Founded in 1969, Newport is a pioneering single-source solutions provider of laser and photonics components to the leaders in scientific research, life and health sciences, microelectronics, industrial manufacturing, and homeland security markets. |
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