FR2317672A1 - Plaque a polarisation differentielle, et methode de fabrication - Google Patents

Plaque a polarisation differentielle, et methode de fabrication

Info

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
Application number
FR7620425A
Other languages
English (en)
French (fr)
Other versions
FR2317672B1 (enExample
Inventor
Ernest D Park
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
American Optical Corp
Original Assignee
American Optical Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by American Optical Corp filed Critical American Optical Corp
Publication of FR2317672A1 publication Critical patent/FR2317672A1/fr
Application granted granted Critical
Publication of FR2317672B1 publication Critical patent/FR2317672B1/fr
Granted legal-status Critical Current

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)
FR7620425A 1975-07-11 1976-07-05 Plaque a polarisation differentielle, et methode de fabrication Granted FR2317672A1 (fr)

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 (enExample) 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 (enExample)
AT (1) AT353032B (enExample)
CA (1) CA1047814A (enExample)
DE (1) DE2626237A1 (enExample)
FR (1) FR2317672A1 (enExample)
HK (1) HK27381A (enExample)
SU (1) SU682158A3 (enExample)

Citations (2)

* Cited by examiner, † Cited by third party
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
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
DE2626237A1 (de) 1977-02-03
CA1047814A (en) 1979-02-06
HK27381A (en) 1981-07-03
JPS5210152A (en) 1977-01-26
FR2317672B1 (enExample) 1981-08-21
ATA417276A (de) 1979-03-15
AT353032B (de) 1979-10-25
SU682158A3 (ru) 1979-08-25

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Legal Events

Date Code Title Description
ST Notification of lapse