公开(公告)号：EP0268357A3

公开(公告)日：1988-10-19

申请号：EP87308283

申请日：1987-09-18

Applicant: FUJITSU LIMITED

Inventor： Kato, Masayuki ,  Maeda, Satoshi ,  Yamagishi, Fumio ,  Ikeda, Hiroyuki ,  Inagaki, Takefumi

IPC: G02B05/32 ,  G11B07/135

CPC classification number: G11B7/1353 ,  G02B5/32 ,  G11B7/1372

Abstract: An optical system has a grating lens assembly including a first grating lens (11), which diffracts rays of light incident thereupon so as to provide non-parallel diffraction rays, and a second grating lens (12), which converges the non-parallel diffraction rays at a predetermined point (Q) substantially without aberration, even when the wavelength of the incident light changes, such as can occur when the source of the light is a semiconductor laser.

公开(公告)号：EP0104114A3

公开(公告)日：1984-05-09

申请号：EP83401786

申请日：1983-09-13

Applicant: THOMSON-CSF

Inventor： Arondel, Patrick ,  Gauthier, François Hugues ,  Levaillant, Denis

IPC: G02B27/00 ,  G02B05/32

CPC classification number: G02B27/0103 ,  G02B2027/0109 ,  G02B2027/0118

公开(公告)号：EP0216692A3

公开(公告)日：1988-06-08

申请号：EP86401976

申请日：1986-09-10

Applicant: SAINT GOBAIN VITRAGE INTERNATIONAL ,  VEGLA Vereinigte Glaswerke GmbH

Inventor： Felske, Armin ,  Stoffregen, Bernd ,  Beeck, Manfred-Andreas ,  Sauer, Gerd ,  Hassiepen, Michael ,  Rebenstorff, Detlev

IPC: G02B05/32 ,  G02B27/00 ,  B60J01/02

CPC classification number: B60K35/00 ,  G02B5/30 ,  G02B27/0103 ,  G02B2027/0107 ,  G02B2027/0109 ,  G02B2027/012

公开(公告)号：EP0183128A3

公开(公告)日：1987-11-25

申请号：EP85114369

申请日：1985-11-12

Applicant: ESG Elektronik-System- Gesellschaft mbH

Inventor： Dausmann, Günter ,  Gnädig, Klaus, Dr.

IPC: G03H01/04 ,  G02B05/32

CPC classification number: G03H1/04 ,  G02B5/32

Abstract: Eine optische Anordnung zur Herstellung eines Holog ramms eines Mikrofilms (12) auf einem Hologrammträger (16) weist ein Beleuchtungshologramm (24) auf, welches als Strahlteiler wirkt und den Referenzstrahl (18) vom Beleuch tungsstrahl (21) trennt. Am Orte des Mikrofilms (12) rekon struiert der Beleuchtungsstrahl (21) die Rekonstruktion (22) des Beleuchtungshologramms (824), welche einer Matt scheibe, einem Linien- oder Punktgitter bezüglich Amplitude oder Phase, oder dergleichen entspricht. Der Mikrofilm (12) kann so mit vorgegebener Intensitäts- und Phasenverteilung gleichmäßig und mit statistischer Phase ausgeleuchtet werden, so daß man auf dem Haupthologrammträger (16) ein Hologramm relativ geringer Dynamik erhält.

公开(公告)号：EP0122783A3

公开(公告)日：1986-06-25

申请号：EP84302517

申请日：1984-04-13

Applicant: FUJITSU LIMITED

Inventor： Yamagishi, Fumio ,  Hasegawa, Shinya ,  Ikeda, Hiroyuki

IPC: G02B05/32 ,  G02B26/10

CPC classification number: G06K15/1285 ,  G02B26/106

Abstract: A method for constructing a hologram on a transparent disk (11) comprising the steps of: irradiating a referencewave light beam having a diverging spherical wave front from a first point light source located at a predetermined distance (f A ) on a center axis (12) of the transparent disk, irradiating an object wave light beam having a diverging spherical wavefrontfrom a second point light source located at a predetermined distance (fs) on a normal line (13) located a predetermined distance (R) from the center axis, causing interference between the reference wave light beam from the first point light source and the object wave light beam from the second point light source on the transparent disk, and forming interference fringes, having spatial variation of spatial frequency including a maximum, as a hologram on the disk, wherein, a reconstruction beam is irradiated to a position (P 3 ) on the disk in the vicinity of the maximum.

公开(公告)号：EP0109502A3

公开(公告)日：1985-01-16

申请号：EP83109204

申请日：1983-09-16

Applicant: THE PERKIN-ELMER CORPORATION

Inventor： Shemwell, David M.

IPC: G01B09/021 ,  G01M11/02 ,  G02B05/32

CPC classification number: G02B5/32 ,  G01B9/021 ,  G01M11/005

Abstract: Methods and means are provided for making measurements of the optical figure of a remote thin deformable mirror (16). Relatively small holographic elements (24) are formed on portions of the mirror (16). A laser beam is transmitted to illuminate the elements (22). Diffracted laser beam signals from the elements (22) are used to produce a hologram or corrector plate (34) which is subsequently used to produce reference signals representative of the original shape of the mirror. When holographic elements (22) of the mirror are subsequently illuminated by a laser beam, the diffracted signals reconstruct the reference signals recorded or stored on the corrector plate (34). The output signal represents the deviations of the mirror from its original shape.

公开(公告)号：EP0266710A3

公开(公告)日：1988-08-03

申请号：EP87116026

申请日：1987-10-31

Applicant: Kok-Schram de Jong, Marijke Irene

Inventor： Kok-Schram de Jong, Marijke Irene

IPC: G02B27/02 ,  G02B05/32

CPC classification number: G02B5/32

公开(公告)号：EP0144224A3

公开(公告)日：1988-01-07

申请号：EP84308328

申请日：1984-11-30

Applicant: FUJITSU LIMITED

Inventor： Yamazaki, Kozo ,  Yamagishi, Fumio ,  Ikeda, Hiroyuki ,  Inagaki, Takefumi ,  Sebata, Ichiro ,  Katagawa, Shunji ,  Kato, Masayuki ,  Ichikawa, Toshiyuki

IPC: G02B05/32 ,  G02B26/10

CPC classification number: G06K7/10871 ,  G02B26/106

Abstract: A hologram scanner (30) comprising: a laser source (22); a rotary body (28) having a rotational axis (21); at least one hologram facet (24) arranged on the rotary body (28) for diffracting a laser beam from the laser source to scan an objective (e.g. bar code) and receiving the scattered light from the objective for detection thereof; a motor means (25) for driving the rotary body; and, an optical detector (29) for detecting the scattered light received and diffracted by the hologram facet (24). The hologram facet is inclined with respect to the rotational axis (21) of the rotary body.

公开(公告)号：EP0223508A3

公开(公告)日：1987-10-14

申请号：EP86308641

申请日：1986-11-05

Applicant: HOLOGRAPHIX INC.

Inventor： Clay, Burton R.

IPC: G02B26/10 ,  G02B05/32

CPC classification number: G02B26/106

Abstract: A scanner system uses rotating, high efficiency holograms to deflect a light beam achieving a linear scan. The hologram allows high system efficiency without requiring the input polarization to be aligned to the fringe pattern.

公开(公告)号：EP0157895A3

公开(公告)日：1986-12-10

申请号：EP84104101

申请日：1984-04-12

Applicant: GRUMMAN AEROSPACE CORPORATION

Inventor： Leib, Kenneth G.

IPC: G02B05/32

CPC classification number: G02B5/32 ,  Y10S359/90

Abstract: Holographic optical elements which operate at a multiplicity of wavelengths and which have reduced aberrations and a process for manufacturing the same are disclosed. The achromatic holographic elements are fabricated using substantially conventional apparatus employing a technique based on the phenomenon that any two playback wavelengths will be diffracted to the same angle if their construction angles are related to each other as the inverse of the ratio of their sines. In addition, in the case of holographic lenses, if the focal points during construction are related to each other as the inverse of the ratio of the sines of their construction angles, the diffracted wavelengths will be brought to a common focal point. When used with a thick recording medium, the technique produces an optical element with a symmetrical pair of output beams having two independent focal points.