公开(公告)号：USB320603I5

公开(公告)日：1975-01-28

申请号：US32060372

申请日：1972-12-20

IPC: G01J3/12

CPC classification number: G01J3/12

公开(公告)号：US3822941A

公开(公告)日：1974-07-09

申请号：US18315071

申请日：1971-09-23

Applicant: PERKIN ELMER CORP

Inventor： ROCHE J ,  SAWYER R

IPC: G01J3/06 ,  G01J3/12 ,  G01J3/18

CPC classification number: G01J3/06 ,  G01J3/0235 ,  G01J3/12 ,  G01J3/18 ,  G01J2003/1204 ,  G01J2003/1828

Abstract: A scanning monochromator includes a plurality of diffraction gratings mounted on a rotatable turret, so that each grating may be moved and precisely indexed into operative position. Each grating so positioned is angularly rotated about its axis by the same scanning arm, driven by a cam having two similar (but different) contours for producing one of two similar scanning functions for the various gratings. Preferably more interchangeable order-separating filters than gratings are included to insure complete and efficient filtering (e.g., 14 filters for 7 gratings). Both the stepping of the grating turret and of the filters (e.g., on a filter wheel) are controlled by (digital) signals, derived from the actual wavenumber being separated, as precisely read by (coarse and fine) digital encoder discs on the wavenumber scanning driving shafts (before and after a large-ratio reduction system). The digital control signals and a signal indicating the operative grating provide a readout of the wavenumber, directly usable by data processing apparatus. The closed loop digital nature of the control signals are free of any non-systematic errors, and allow the instrument to be ''''indexed'''' to any desired wavenumber (and then ''''instructed'''' to scan to any other wavenumber automatically).

Abstract translation: 扫描单色仪包括安装在可旋转转台上的多个衍射光栅，使得每个光栅可以移动并精确地分度到操作位置。 如此定位的每个光栅通过相同的扫描臂围绕其轴线成角度地旋转，由具有两个相似（但不同的）轮廓的凸轮驱动，用于产生用于各种光栅的两个类似的扫描功能之一。 优选地，包括比光栅更可互换的顺序分离滤光器以确保完全和有效的滤光（例如，用于7个光栅的14个滤光器）。 光栅转塔和滤光片的步进（例如，滤光轮）都由（数字）信号控制，由实际波数分离得出，由数字编码器光盘上的（粗和精）数位精确读取 扫描驱动轴（大减速系统前后）。 数字控制信号和指示操作光栅的信号提供可由数据处理装置直接使用的波数的读出。 控制信号的闭环数字性质没有任何非系统误差，并允许仪器“索引”到任何所需的波数（然后“指示”自动扫描到任何其他波数）。

公开(公告)号：US3787121A

公开(公告)日：1974-01-22

申请号：US3787121D

申请日：1972-12-18

Applicant: BAXTER LABORATORIES INC

Inventor： MARCUS B ,  LOWY G ,  CONLON J

IPC: G01J3/02 ,  G01J3/06 ,  G01J3/08 ,  G01J3/12 ,  G01J3/42 ,  G01J3/427

CPC classification number: G01J3/02 ,  G01J3/0232 ,  G01J3/0237 ,  G01J3/06 ,  G01J3/08 ,  G01J3/12 ,  G01J3/42 ,  G01J3/427

Abstract: A spectrophotometer of the two-beam type employing two adjustable monochromators and employing a rotating chopper disc to provide time-sharing operation, such as split-beam operation, dual wavelength operation, or other desired modes of operation. The chopper disc motor is stabilized by a fiber optic feedback system and cooperating electronic system utilizing light beams reflected by the underside of the chopper disc and photo diodes responding to these reflections. The main optical system includes an adjustable lens element coupled to one of the monochromators to compensate for variations in refractive index of the lens element with wavelength. The electronic readout system is gated by the chopper disc stabilizing system to maintain synchronism of the readout signals with the two monochromatic excitation beams.

Abstract translation: 采用两个可调单色器的双光束型分光光度计，并采用旋转斩光盘来提供分光操作，例如分光束操作，双波长操作或其它所需操作模式。 斩波盘电机由光纤反馈系统和协同电子系统稳定，利用由斩波盘的下侧反射的光束和响应于这些反射的光电二极管。 主光学系统包括耦合到单色仪中的一个的可调透镜元件，以补偿具有波长的透镜元件的折射率变化。 电子读出系统由斩波盘稳定系统门控，以保持读出信号与两个单色激发光束的同步。

公开(公告)号：US3697184A

公开(公告)日：1972-10-10

申请号：US3697184D

申请日：1971-04-01

Applicant: XEROX CORP

Inventor： LEHMBECK DONALD R

IPC: G01J3/04 ,  G01J3/12 ,  G01J3/28 ,  G01J3/46

CPC classification number: G01J3/04 ,  G01J3/12 ,  G01J2003/2866

Abstract: A target for evaluating the characteristics of a thermoplastic photosensitive element is herein disclosed. The target includes a partially transparent or partially absorbing film having at least two fixed narrow bandwidth slits therein and a mask of varying optical density placed on top of or underneath the slit containing film. The target is capable of being positioned in contact with the photosensitive element to reside between the element and a source of exposing radiation. When exposed to a calibrated source of light, an image of known high frequency spatial intensity distribution surrounded by a normal sensitometric exposure results. By observing the effects of this known exposure on a developed thermoplastic photoreceptor characteristics of major concern can be determined.

Abstract translation: 本文公开了评价热塑性光敏元件特性的目标。 目标包括其中具有至少两个固定的狭窄带宽狭缝的部分透明或部分吸收的膜，以及设置在狭缝容纳膜的顶部或下面的具有变化的光密度的掩模。 靶能够定位成与感光元件接触以位于元件和曝光辐射源之间。 当暴露于校准光源时，会产生由正常感光度曝光包围的已知高频空间强度分布的图像。 通过观察这种已知曝光对开发的热塑性感光体的影响，可以确定主要关注的特征。

公开(公告)号：US3664742A

公开(公告)日：1972-05-23

申请号：US3664742D

申请日：1970-05-06

Applicant: BODENSEEWERK PERKIN ELMER CO

Inventor： WITTE WOLFGANG ,  STENZ HERBERT

IPC: G01J3/04 ,  G01J3/12 ,  G01J3/18

CPC classification number: G01J3/04 ,  G01J3/12

Abstract: IN MONOCHROMATORS A (COOLIMATED) INCIDENT RADIATION BEAM FROM THE ENTRANCE SLIT FALLS ON A DISPERSION MEANS AND LEAVES AS MONOCHROMATIC BEAMS, HAVING (IN GENERAL) A DIFFERENT WIDTH. IN NON-SYMMETRICAL MONOCHROMATORS, THE GREATEST RADIANT FLUX INTENSITY AT A GIVEN PREDETERMINED RESOLUTION IS OBTAINED WHEN THE RATIO OF THE EXIT SLID WIDTH TO THE ENTRANCE SLID WIDTH IS EQUAL TO: THE INCIDENT BEAM WIDTH DIVIDED BY THE WIDTH OF THAT MONOCHROMATIC DISPERSED BEAM WHICH WILL REACH THE EXIT SLID, THIS FRACTION MULTIPLIED BY THE RATIO OF THE EFFECTIVE IMAGE DISTANCE OF THE ENTRANCE SLID IMAGE (FORMED AT THE EXIT SLIT PLANE) DIVIDED BY THE EFFECTIVE OBJECT DISTANCE OF THE ENTRANCE SLIT. A MECHANICAL LINKING OF THE ENTRANCE AND EXIT SLITS IS DISCLOSED FOR SATISFYING THE ABOVE RELATIONSHIP FOR A SINGLE WAVELENGTH (NEAR THE MIDDLE OF THE WAVELENGTH RANGE UTILIZED). MORE COMPLEX BUT MORE PREFECTLY CORRECTED MONOCHROMATOR SLIT SYSTEMS WOULD MAINTAIN THIS SLIT WIDTH RELATIONSHIP AT (A) ALL WAVELENGTHS OVER WHICH THE MONOCHROMATOR IS USED, AND (B) FOR ALL SLIT WIDTHS DESIRED TO BE USED. AN EMBODIMENT OF A COMPLETE SLIT-CONTROLLING SYSTEM PROVIDES CHANGES IN THE RELATIVE WIDTHS OF THE ENTRANCE AND EXIT SLITS TO MAINTAIN THE ABOVE DESIRED RELATIONSHIP AT ALL UTILIZED WAVELENGTHS, EVEN WHEN THE ENTRANCE SLIT WIDTH ITSELF IS "PROGRAMMED" ACCORDING TO THE WAVE LENGTH OF THE MONOCHROMATOR.

公开(公告)号：US3659945A

公开(公告)日：1972-05-02

申请号：US3659945D

申请日：1969-11-19

Applicant: PERKIN ELMER CORP

Inventor： ROCHE JOHN M ,  SAWYER RENE C JR

IPC: G01J3/06 ,  G01J3/12 ,  G01J3/18

CPC classification number: G01J3/06 ,  G01J3/0235 ,  G01J3/12 ,  G01J3/18 ,  G01J2003/1204 ,  G01J2003/1828

Abstract: A scanning monochromator includes a plurality of diffraction gratings mounted on a rotatable turret, so that each grating may be moved and precisely indexed into operative position. Each grating so positioned is angularly rotated about its axis by the same scanning arm, driven by a cam having two similar (but different) contours for producing one of two similar scanning functions for the various gratings. Preferably more interchangeable order-separating filters than gratings are included to insure complete and efficient filtering (e.g., 14 filters for 7 gratings). Both the stepping of the grating turret and of the filters (e.g., on a filter wheel) are controlled by (digital) signals, derived from the actual wavenumber being separated, as precisely read by (coarse and fine) digital encoder discs on the wavenumber scanning driving shafts (before and after a large-ratio reduction system). The digital control signals and a signal indicating the operative grating provide a readout of the wavenumber, directly usable by data processing apparatus. The closed loop digital nature of the control signals are free of any non-systematic errors, and allow the instrument to be ''''indexed'''' to any desired wavenumber (and then ''''instructed'''' to scan to any other wavenumber automatically).

Abstract translation: 扫描单色仪包括安装在可旋转转台上的多个衍射光栅，使得每个光栅可以移动并精确地分度到操作位置。 如此定位的每个光栅通过相同的扫描臂围绕其轴线成角度地旋转，由具有两个相似（但不同的）轮廓的凸轮驱动，用于产生用于各种光栅的两个类似的扫描功能之一。 优选地，包括比光栅更可互换的顺序分离滤光器以确保完全和有效的滤光（例如，用于7个光栅的14个滤光器）。 光栅转塔和滤光片的步进（例如，滤光轮）都由（数字）信号控制，由实际波数分离得出，由数字编码器光盘上的（粗和精）数位精确读取 扫描驱动轴（大减速系统前后）。 数字控制信号和指示操作光栅的信号提供可由数据处理装置直接使用的波数的读出。 控制信号的闭环数字性质没有任何非系统误差，并允许仪器“索引”到任何所需的波数（然后“指示”自动扫描到任何其他波数）。

公开(公告)号：US3625615A

公开(公告)日：1971-12-07

申请号：US3625615D

申请日：1970-03-30

Applicant: ZEISS STIFTUNG

Inventor： WILSON RAYMOND

IPC: G01J3/12

CPC classification number: G01J3/12

Abstract: A device for spectral dispersion of light, comprising a predispersion prism arranged ahead of a grating monochromator and in which the predispersion prism is constructed as an aplanatic prism having spherical faces, one of which is concentric to the first aplanatic point which is spaced from the center of curvature of the aplanatic refractive face and at whose place the entrance slit is arranged. The grating monochromator is provided with a concave diffraction screen on a Rowland circle on which is disposed not only the second aplanatic point but also the point in which the center ray of a limit beam of a predetermined aperture intersects the second aplanatic circle which is concentric to the center of curvature of the aplanatic refractive face.

公开(公告)号：US3563659A

公开(公告)日：1971-02-16

申请号：US3563659D

申请日：1968-02-08

Applicant: JAMES S THOMPSON

Inventor： THOMPSON JAMES S

IPC: G01J3/12

CPC classification number: G01J3/12

Abstract: A FOCAL ISOLATION MONOCHROMATOR EMPLOYING THE PRINCIPLE OF CHROMATIC ABERRATION IN THAT SEQUENTIAL IMAGE FORMATIONS BY REFRACTION MAGNIFY THE SPREAD OF IMAGE POINTS OF DIFFERENT WAVELENGTHS AS FORMED BY THE IMAGING SYSTEM ALONG THE OPTICAL AXIS AND FROM A HETERCHROMATIC LIGHT SOURCE.

D R A W I N G

公开(公告)号：US3552826A

公开(公告)日：1971-01-05

申请号：US3552826D

申请日：1968-02-19

Applicant: CANADIAN PATENTS DEV

Inventor： HANES GARNET R ,  DOBROWOLSKI JERZY A ,  HOEVEN CORNELIS J VAN DER

IPC: G01J3/12 ,  G02B5/28

CPC classification number: G02B5/285 ,  G01J3/12

Abstract: A REFLECTOR DEVICE CAPABLE OF PROVIDING A DESIRED VALUE OF REFLECTANCE AND HAVING A MULTI-LAYER REFLECTING SURFACE WHICH GRADUALLY DECREASES IN THICKNESS, FOR EXAMPLE EXPONENTIALY, FROM ONE END TO THE OTHER END SO THAT THE REFLECTANCE VALUE AT ANY POINT IS DEPENDENT ON THE POSITION OF THE POINT AND VARIES LOGARITHMICALLY ACROSS THE SURFACE. THE DEVICE IS PROVIDED WITH TWO CONTROLS, ONE BEING A REFLECTANCE ADJUSTMENT CONTROL AND THE OTHER A WAVELENGTH ADJUSTMENT CONTROL.

公开(公告)号：US3545865A

公开(公告)日：1970-12-08

申请号：US3545865D

申请日：1969-11-10

Applicant: PAIGE B HOOPER

Inventor： HOOPER PAIGE B

IPC: G01J3/12 ,  G01J4/04 ,  G01N21/44 ,  G01J3/00

CPC classification number: G01J3/12 ,  G01J4/04