SU1675815A1 - Method of manufacturing large-length diffraction gratings - Google Patents
Method of manufacturing large-length diffraction gratings Download PDFInfo
- Publication number
- SU1675815A1 SU1675815A1 SU894773061A SU4773061A SU1675815A1 SU 1675815 A1 SU1675815 A1 SU 1675815A1 SU 894773061 A SU894773061 A SU 894773061A SU 4773061 A SU4773061 A SU 4773061A SU 1675815 A1 SU1675815 A1 SU 1675815A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- strokes
- copy
- zone
- cutting
- diffraction gratings
- Prior art date
Links
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- Diffracting Gratings Or Hologram Optical Elements (AREA)
Abstract
Изобретение относитс к области оптического приборостроени , а именно к способам изготовлени дифракционных решеток большой длины. Целью изобретени вл етс упрощение и повышение точности изготовлени . В соответствии со способом на одной и той же заготовке нарезают две группы штрихов 1 и 2 одинакового периода и получают с них копию на общей подложке. При этом после нарезани первой группы штрихов 1 заготовку разворачивают в плоскости штрихов на угол а 3d/8L, где d - посто нна решетки, L - длина штриха, а после нарезки второй группы штрихов 2 вы вл ют зону 5 синфазности групп штрихов 1 и 2 и копируют только эту зону Способ исключает операцию юстировки оригиналов перед каждым копированием, вместо которой однажды найденна зона на оригинале может быть скопирована несколько раз. При этом допускаетс ошибка копировани до 0,1 мм. 4 ил.This invention relates to the field of optical instrumentation, in particular, to methods for producing diffraction gratings of great length. The aim of the invention is to simplify and improve the accuracy of manufacture. In accordance with the method, two groups of strokes 1 and 2 of the same period are cut on the same blank and receive a copy from them on a common substrate. At the same time, after cutting the first group of strokes 1, the workpiece is rotated in the plane of strokes by an angle a 3d / 8L, where d is the lattice constant, L is the length of the stroke, and after cutting the second group of strokes 2, zone 5 of the synphase of streaks 1 and 2 and copy only this zone. The method excludes the operation of alignment of the originals before each copy, instead of which a zone once found on the original can be copied several times. A copy error of up to 0.1 mm is tolerated. 4 il.
Description
Фиг. 2FIG. 2
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU894773061A SU1675815A1 (en) | 1989-12-25 | 1989-12-25 | Method of manufacturing large-length diffraction gratings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU894773061A SU1675815A1 (en) | 1989-12-25 | 1989-12-25 | Method of manufacturing large-length diffraction gratings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU1675815A1 true SU1675815A1 (en) | 1991-09-07 |
Family
ID=21486660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU894773061A SU1675815A1 (en) | 1989-12-25 | 1989-12-25 | Method of manufacturing large-length diffraction gratings |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU1675815A1 (en) |
-
1989
- 1989-12-25 SU SU894773061A patent/SU1675815A1/en active
Non-Patent Citations (1)
| Title |
|---|
| Европейский патент № 0188919, кл. G 02 В 5/18, опублик 1986. ОМП, 1975, , с. 47-50. * |
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