FR2317672A1 - Plaque a polarisation differentielle, et methode de fabrication - Google Patents
Plaque a polarisation differentielle, et methode de fabricationInfo
- Publication number
- FR2317672A1 FR2317672A1 FR7620425A FR7620425A FR2317672A1 FR 2317672 A1 FR2317672 A1 FR 2317672A1 FR 7620425 A FR7620425 A FR 7620425A FR 7620425 A FR7620425 A FR 7620425A FR 2317672 A1 FR2317672 A1 FR 2317672A1
- Authority
- FR
- France
- Prior art keywords
- foil
- dichroitic
- disc
- variable phase
- remnants
- 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
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
- G02B5/3025—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
- G02B5/3033—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B21/00—Microscopes
- G02B21/06—Means for illuminating specimens
- G02B21/08—Condensers
- G02B21/14—Condensers affording illumination for phase-contrast observation
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Polarising Elements (AREA)
- Sampling And Sample Adjustment (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US59498975A | 1975-07-11 | 1975-07-11 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2317672A1 true FR2317672A1 (fr) | 1977-02-04 |
FR2317672B1 FR2317672B1 (fr) | 1981-08-21 |
Family
ID=24381244
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7620425A Granted FR2317672A1 (fr) | 1975-07-11 | 1976-07-05 | Plaque a polarisation differentielle, et methode de fabrication |
Country Status (7)
Country | Link |
---|---|
JP (1) | JPS5210152A (fr) |
AT (1) | AT353032B (fr) |
CA (1) | CA1047814A (fr) |
DE (1) | DE2626237A1 (fr) |
FR (1) | FR2317672A1 (fr) |
HK (1) | HK27381A (fr) |
SU (1) | SU682158A3 (fr) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE866408C (de) * | 1950-04-26 | 1953-02-09 | Vente Des Instr De Geodesie He | Optische Anordnung fuer veraenderliche und gefaerbte Phasenkontraste |
FR1421585A (fr) * | 1964-11-06 | 1965-12-17 | Polskie Zaklady Optyczne | Perfectionnement apporté aux microscopes à contraste de phase variable |
-
1976
- 1976-06-08 AT AT417276A patent/AT353032B/de not_active IP Right Cessation
- 1976-06-09 CA CA254,424A patent/CA1047814A/fr not_active Expired
- 1976-06-09 DE DE19762626237 patent/DE2626237A1/de not_active Ceased
- 1976-06-30 JP JP7661576A patent/JPS5210152A/ja active Pending
- 1976-07-05 FR FR7620425A patent/FR2317672A1/fr active Granted
- 1976-07-12 SU SU762380204A patent/SU682158A3/ru active
-
1981
- 1981-06-25 HK HK27381A patent/HK27381A/xx unknown
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE866408C (de) * | 1950-04-26 | 1953-02-09 | Vente Des Instr De Geodesie He | Optische Anordnung fuer veraenderliche und gefaerbte Phasenkontraste |
FR1421585A (fr) * | 1964-11-06 | 1965-12-17 | Polskie Zaklady Optyczne | Perfectionnement apporté aux microscopes à contraste de phase variable |
Also Published As
Publication number | Publication date |
---|---|
CA1047814A (fr) | 1979-02-06 |
JPS5210152A (en) | 1977-01-26 |
HK27381A (en) | 1981-07-03 |
DE2626237A1 (de) | 1977-02-03 |
AT353032B (de) | 1979-10-25 |
SU682158A3 (ru) | 1979-08-25 |
FR2317672B1 (fr) | 1981-08-21 |
ATA417276A (de) | 1979-03-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |