FR2245964A1 - Concave diffraction system for spectrometer - has concave spherical surface with curved ridges - Google Patents
Concave diffraction system for spectrometer - has concave spherical surface with curved ridgesInfo
- Publication number
- FR2245964A1 FR2245964A1 FR7414155A FR7414155A FR2245964A1 FR 2245964 A1 FR2245964 A1 FR 2245964A1 FR 7414155 A FR7414155 A FR 7414155A FR 7414155 A FR7414155 A FR 7414155A FR 2245964 A1 FR2245964 A1 FR 2245964A1
- Authority
- FR
- France
- Prior art keywords
- ridges
- spherical surface
- concave
- spectrometer
- diffraction system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000919 ceramic Substances 0.000 abstract 1
- 239000011521 glass Substances 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 239000000758 substrate Substances 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/18—Diffraction gratings
- G02B5/1847—Manufacturing methods
- G02B5/1852—Manufacturing methods using mechanical means, e.g. ruling with diamond tool, moulding
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/04—Prisms
- G02B5/045—Prism arrays
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Spectrometry And Color Measurement (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7414155A FR2245964A1 (en) | 1974-04-24 | 1974-04-24 | Concave diffraction system for spectrometer - has concave spherical surface with curved ridges |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7414155A FR2245964A1 (en) | 1974-04-24 | 1974-04-24 | Concave diffraction system for spectrometer - has concave spherical surface with curved ridges |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2245964A1 true FR2245964A1 (en) | 1975-04-25 |
| FR2245964B1 FR2245964B1 (OSRAM) | 1976-06-25 |
Family
ID=9138037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7414155A Granted FR2245964A1 (en) | 1974-04-24 | 1974-04-24 | Concave diffraction system for spectrometer - has concave spherical surface with curved ridges |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2245964A1 (OSRAM) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2360824A1 (fr) * | 1976-08-04 | 1978-03-03 | Laude Jean Pierre | Appareil de projection de lumiere dispersee |
| FR2430814A1 (fr) * | 1978-07-10 | 1980-02-08 | Hitachi Ltd | Appareil de tracage d'un reseau |
-
1974
- 1974-04-24 FR FR7414155A patent/FR2245964A1/fr active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2360824A1 (fr) * | 1976-08-04 | 1978-03-03 | Laude Jean Pierre | Appareil de projection de lumiere dispersee |
| FR2430814A1 (fr) * | 1978-07-10 | 1980-02-08 | Hitachi Ltd | Appareil de tracage d'un reseau |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2245964B1 (OSRAM) | 1976-06-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| IT7926596A0 (it) | Processo per la produzione di rivestimenti adesivorepellenti su materiale piano, in forma di foglio o di nastro. | |
| BR7705061A (pt) | Processo para preparacao de um revestimento para superficies em vidro ou ceramica | |
| BR7702329A (pt) | Processo e aparelho para a formacao de revestimento de metal ou composto metalico na face de um substrato de vidro | |
| IT1203124B (it) | Procedimento e dispositivo per la produzione di un nastro di carda uniforme,continuo | |
| IT1184033B (it) | Procedimento per la decorazione la marcatura l incisione o simili per mezzo di raggi laser di oggetti con superfici smaltate | |
| FR2358921B1 (OSRAM) | ||
| IT1085029B (it) | Processo e dispositivo per la produzione di coke d'altoforno | |
| IT8019583A0 (it) | Metodo per la fabbricazione di calcestruzzo aerato, a peso leggero, indurito con vapore a caldo con proprieta' idrofobe. | |
| IT1114912B (it) | Processo e reagente per la determinazione della colesterina totale o della colesterina legata | |
| IT1031917B (it) | Processo per la produzione di un copolimero ossimettilenico stabilizzato | |
| IT8121360A0 (it) | Sciroppi ad alto contenuto diprocesso per la produzione di fruttosio. polimeri del fruttosio e di | |
| IT1046865B (it) | Processo per la preparazione di cicloeran 1.3 riont e a alchil 3.4 diidro 2 riranoni | |
| FR2245964A1 (en) | Concave diffraction system for spectrometer - has concave spherical surface with curved ridges | |
| FI862313A7 (fi) | Menetelmä vedenpitävän päällysteen valmistamiseksi pinnalle ja menetelmässä käyttökelpoisia levyn muodossolevia materiaaleja. | |
| DE3170707D1 (en) | Branched polycarbosilanes and their use in the production of silicon carbide | |
| BR7703855A (pt) | Processo de revestimento da superficie de objetos de vidr | |
| IT8020420A0 (it) | Impianto di radiazione a raggi infrarossi con parecchi radiatori ceramici di raggi infrarossi sostanzialmente piani sul lato di radiazione. | |
| IT1042536B (it) | Processo per la preparazione di paquelli oi truciolato | |
| IT1084040B (it) | Procedimento per produrre rivestimenti da poliidrossi-composti,e vernici a reazione usate a tale scopo | |
| SU519246A1 (ru) | Способ гибки профилированных заготовок | |
| IT1084234B (it) | Processo per la preparazione di rivestimenti vetrosi e oggetti ittenuti mediante detto processo. | |
| IT8048201A0 (it) | Elemento sagomato di acciaio con rivestimento di carburo antiusura eprocedimento per produrlo | |
| GB1327231A (en) | Fire detecting apparatus | |
| BR7702384A (pt) | Processo e aparelho para controlar o regime de fluxo de ar de admissao | |
| FR2465255B1 (fr) | Procede pour reporter sur un support l'ombre fidele d'un masque perce de fentes distribuees periodiquement, et application de ce procede notamment en photolithogravure |