On the Undulatory Theory of Optics: Designed for the Use of Students in the University |
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Page 83
... Iceland spar ( which , it has since been discovered , are possessed by the greater number of transparent crystals ) first pointed out the characteristic law of polarization . If a pencil of common light be made to pass through a ...
... Iceland spar ( which , it has since been discovered , are possessed by the greater number of transparent crystals ) first pointed out the characteristic law of polarization . If a pencil of common light be made to pass through a ...
Page 85
... signify that the pencil is similar in its properties to common light , but merely that it is subject to the same laws of refraction as common light . principal plane of the crystal , then we may assert DOUBLE REFRACTION OF ICELAND SPAR .
... signify that the pencil is similar in its properties to common light , but merely that it is subject to the same laws of refraction as common light . principal plane of the crystal , then we may assert DOUBLE REFRACTION OF ICELAND SPAR .
Page 86
... Iceland spar when its principal plane is parallel to the plane of reflection from the unsilvered glass , & c . For , if the second rhombohedron be placed in that position to receive the reflected ray ( instead of receiving the ray from ...
... Iceland spar when its principal plane is parallel to the plane of reflection from the unsilvered glass , & c . For , if the second rhombohedron be placed in that position to receive the reflected ray ( instead of receiving the ray from ...
Page 87
... Iceland spar . But as the reflection from unsilvered glass at the polarizing angle gives properties ex- actly similar to those of the Ordinary ray of Iceland spar ( the principal plane of the spar being conceived parallel to the plane ...
... Iceland spar . But as the reflection from unsilvered glass at the polarizing angle gives properties ex- actly similar to those of the Ordinary ray of Iceland spar ( the principal plane of the spar being conceived parallel to the plane ...
Page 88
... Iceland spar with edges parallel to the crystalline axis , and united with their edges in opposite directions , with an interposed transparent medium ( Canada balsam ) of such refractive index that the Ordinary ray is totally reflected ...
... Iceland spar with edges parallel to the crystalline axis , and united with their edges in opposite directions , with an interposed transparent medium ( Canada balsam ) of such refractive index that the Ordinary ray is totally reflected ...
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Common terms and phrases
2π λ a² cos² analyzing plate angle of incidence aperture axis bars bright rings c² sin² coefficient common light Consequently dicular different colours direction displacement distance disturbance double refraction dx dy dz effect elasticity elliptically polarized equal equation ether expression extraordinary ray find the intensity Fresnel's rhomb front Iceland spar inclined instance integral intensity of light investigation length light reflected motion nearly Newton's rings optic axes ordinary ray particles passing pencil perpen phænomena phase plane of incidence plane of polarization plane of reflection polarized light position principal plane prism produced PROP proportion radius reflected light reflected ray refracting medium represented resolved retardation rhombohedron screen seen shews similar spheroid suppose surface theory tion tourmaline undulation uniaxal crystal velocity vibrations parallel vibrations perpendicular vt-x wave diverging λ 2π λό όλ