SU802781A1 - Apparatus for meassuring cross section control of transparent optical elements with concave surface - Google Patents

Apparatus for meassuring cross section control of transparent optical elements with concave surface Download PDF

Info

Publication number
SU802781A1
SU802781A1 SU792760501A SU2760501A SU802781A1 SU 802781 A1 SU802781 A1 SU 802781A1 SU 792760501 A SU792760501 A SU 792760501A SU 2760501 A SU2760501 A SU 2760501A SU 802781 A1 SU802781 A1 SU 802781A1
Authority
SU
USSR - Soviet Union
Prior art keywords
concave surface
cross
optical elements
meassuring
transparent optical
Prior art date
Application number
SU792760501A
Other languages
Russian (ru)
Inventor
Анатолий Александрович Киваев
Соломон Абрамович Элькинд
Василий Борисович Блосфельд
Original Assignee
Московский Научно-Исследователь-Ский Институт Глазных Болезнейим. Гельмгольца
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 Московский Научно-Исследователь-Ский Институт Глазных Болезнейим. Гельмгольца filed Critical Московский Научно-Исследователь-Ский Институт Глазных Болезнейим. Гельмгольца
Priority to SU792760501A priority Critical patent/SU802781A1/en
Application granted granted Critical
Publication of SU802781A1 publication Critical patent/SU802781A1/en

Links

Description

Иммерсионна  жидкость заливаетс  в резервуар до уровн  А-А и имеет .показатель преломлени , равный показателю преломлени  материала измер емого оптического элемента с погрешностью не более 0,02, Такое совпадение показателей преломлени  практически устран ет преломление лучей на внешней поверхности линзы,The immersion liquid is poured into the reservoir to the level A-A and has a refractive index equal to the refractive index of the material of the measured optical element with an error not exceeding 0.02

Держатель установлен в параллельном пучке лучей, создаваемых источником 1 с помощью системы 2 формировани  пучка, так, чтобы предметна  плоскость объектива 5 совпадала с плоскостью сечени  измер емого элемента 4.The holder is installed in a parallel beam of rays generated by source 1 using beam forming system 2, so that the objective plane of lens 5 coincides with the section plane of the measured element 4.

Применение предложенного устройе-тв а и проектора с увеличением 50х даёт возможность измер ть координат контура вогнутой поверхности контак ной линзы с погрешностью не более 0,003 мм при общем диаметре линзы 10 мм.The use of the proposed device and the projector with an increase of 50x makes it possible to measure the coordinates of the contour of the concave surface of the contact lens with an error of no more than 0.003 mm with a total lens diameter of 10 mm.

Claims (1)

Формула изобретени Invention Formula Устройство дл  измерени  контура сечени  прозрачных оптических элементов с вогнутой поверхностью, содержащее источник излучени , систему формировани  пучка, регистрирующую систему и держатель- наблюдаемого оптического элемента, выполненный из прозрачного материалаDevice for measuring the contour of a cross section of transparent optical elements with a concave surface containing a radiation source, a beam forming system, a recording system and a holder of an observable optical element made of a transparent material в виде детали с двум  перпендикул рными оси системы формировани  пучка плоскими параллельными оптическими поверхност ми и резервуаром дл  иммерсионной жидкости с показателем преломлени , равным показателю преломлени  материала измер емого оптического элемента с погрешностью не более 0,02, отличающеес  тем, что, с целью повышени  точности измерени , обьем внутри измер емой вогнутой поверхности свободен от иммерсионной жидкости и ограничен плоскостью, расположенной не выле уровн  имглерсионной жидкости параллельно оси системы формировани  пучка,as a part with two perpendicular axes of a beam forming system with flat parallel optical surfaces and a reservoir for an immersion liquid with a refractive index equal to the refractive index of the material of the measured optical element with an error of not more than 0.02, characterized in that measurement, the volume inside the measured concave surface is free from the immersion liquid and is bounded by a plane located at a level of the imglersion liquid parallel to the axis of the mold system beam alignment Источники информации, прин тые во внимание при экспертизе 5 1, Патент ФРГ № 2128365,Sources of information taken into account in the examination 5 1, Federal Patent No. 2128365, кл, 42 h 35/01, 1971 (прототип;.Cl, 42 h 35/01, 1971 (prototype ;.
SU792760501A 1979-04-10 1979-04-10 Apparatus for meassuring cross section control of transparent optical elements with concave surface SU802781A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU792760501A SU802781A1 (en) 1979-04-10 1979-04-10 Apparatus for meassuring cross section control of transparent optical elements with concave surface

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU792760501A SU802781A1 (en) 1979-04-10 1979-04-10 Apparatus for meassuring cross section control of transparent optical elements with concave surface

Publications (1)

Publication Number Publication Date
SU802781A1 true SU802781A1 (en) 1981-02-07

Family

ID=20825301

Family Applications (1)

Application Number Title Priority Date Filing Date
SU792760501A SU802781A1 (en) 1979-04-10 1979-04-10 Apparatus for meassuring cross section control of transparent optical elements with concave surface

Country Status (1)

Country Link
SU (1) SU802781A1 (en)

Similar Documents

Publication Publication Date Title
US1756785A (en) Optical measuring instrument
SU802781A1 (en) Apparatus for meassuring cross section control of transparent optical elements with concave surface
DE3775040D1 (en) DEVICE FOR MEASURING THE REFLECTION PROPERTIES OF EYE GLASSES.
US3917391A (en) Projection system for measuring curves and cross-sectional dimensions of hydrophilic contact lenses
JPS6491007A (en) Body-configuration measuring apparatus
US1671709A (en) Measuring instrument
SU714253A1 (en) Method of measuring the gradient of refraction coefficient of optically transparent media
JPS533283A (en) Referactive index distribution form measurement device
SU879293A1 (en) Device for measuring transparent film thickness
ES479462A1 (en) Apparatus for measuring the radii of contact lenses
RU2796797C2 (en) Fibre-optic method for determining the refractive coefficient of a transparent substance and a fibre-optical refractometric measuring converter implementing it
CN218156792U (en) Integrated instrument for measuring focal length of thin convex lens and refractive index of liquid by adopting auto-collimation method
US2772597A (en) Precision refractometer
ATE143488T1 (en) MEASUREMENT DEVICE
US3019694A (en) Refractometer
SU939935A2 (en) Device for measuring displacements
FR2247699A1 (en) Surface roughness measuring process - compares two different wavelength laser lighted images at third wavelength
JPS6069538A (en) Measuring device for liquid density
SU96053A1 (en) Portable device for determining the level of liquid in tanks by means of an illuminator and a photocell
SU935702A1 (en) Interferometer for investigation of optical non-uniformities of glass in optical parts
SU1696884A1 (en) Liquid level indicator
JPS551520A (en) Liquid inspecting device
BG51420A1 (en) Device for measurement of difference between the refractive indexes
JPS56130606A (en) Optical measuring device for thickness of transparent material
JPS5690244A (en) Refraction index meter for liquid