User contributions for Goodphy
A user with 1,590 edits. Account created on 30 September 2015.
25 August 2024
- 22:5022:50, 25 August 2024 diff hist +266 Lens →For a spherical surface: Added a fact that distances u and v are also considered distances w.r.t the left vertex of the spherical surface in paraxial approximation. current Tag: Visual edit
- 00:2400:24, 25 August 2024 diff hist +619 Lens →For a spherical surface: Added the object and image focal Lenths for a spherical surface. Tag: Visual edit
24 August 2024
- 23:5423:54, 24 August 2024 diff hist +17 Lens →Derivation: Improved the description for the derivation of an equation. Tag: Visual edit
23 August 2024
- 02:2402:24, 23 August 2024 diff hist +500 Lens →For a spherical surface: Added more information for the equation of refraction on a spherical surface in the paraxial approximation. Tag: Visual edit
20 August 2024
- 21:4421:44, 20 August 2024 diff hist −91 Virtual image Clarified what extension of rays (backward or forward) makes a virtual image or object. current Tag: Visual edit
14 August 2024
- 23:5423:54, 14 August 2024 diff hist +35 Spherical aberration →Estimation of the aberrated spot diameter: Improved some sentences for easier understanding. current Tag: Visual edit
12 August 2024
- 05:1105:11, 12 August 2024 diff hist +84 Spherical aberration →Correction: Corrected the link of the Cartesian sign convention (previously it was toward the Cartesian coordinate system). Tag: Visual edit
- 04:5904:59, 12 August 2024 diff hist +8 Spherical aberration →Overview: Clarified what distance is for the aplanatic point description (added an adjective "lateral" to distance). Tag: Visual edit
11 August 2024
- 03:2303:23, 11 August 2024 diff hist +149 Spherical aberration →Overview: Given more explanation of what peripheral rays in the Section Overview. Tag: Visual edit
- 02:4802:48, 11 August 2024 diff hist +173 Spherical aberration →Overview: Added an invisible note showing the need of clarifying the definition of the radius for the description of an aplanatic point in the Sectio Overview. Tag: Visual edit
7 August 2024
- 08:3908:39, 7 August 2024 diff hist +24 Extreme ultraviolet lithography →Summary of key features: Clarify what the meaning of EUV generation efficiency (replaced with "CO2 laser to EUV conversion efficiency). Tag: Visual edit
6 August 2024
- 02:2102:21, 6 August 2024 diff hist +635 Extreme ultraviolet lithography →Summary of key features: Added citations of why CO2 laser + Sn droplet is chosen as EUV Source for EUVL. Tag: Visual edit
31 July 2024
- 03:1603:16, 31 July 2024 diff hist +1 Thin lens →Image formation: Added a punctuation mark on an equation. current Tag: Visual edit
- 03:1403:14, 31 July 2024 diff hist +416 Thin lens →Image formation: Mentioned that the same form of the lens equation is appliable for thick lenses, with a difference that equation parameters are w.r.t. lens principal planes. Tag: Visual edit
- 02:4102:41, 31 July 2024 diff hist +315 Thin lens →Image formation: Mentioned the existence of other sign conventions followed with other forms of the thin lens equation. Tag: Visual edit
25 July 2024
- 08:0908:09, 25 July 2024 diff hist +1,115 Thin lens →Image formation: Added the sign convention used for the Gaussian thin lens equation. Tag: Visual edit
23 July 2024
- 01:2301:23, 23 July 2024 diff hist +349 User talk:Goodphy →Updating images: Expressed appreciation. current Tag: Reply
20 July 2024
- 03:3703:37, 20 July 2024 diff hist +118 Entrance pupil Clarify the description of the definitions of entrance and exit pupil. Tag: Visual edit
- 03:2603:26, 20 July 2024 diff hist +142 Exit pupil →Visual instruments: Described why the entrance pupil of the human eye must be aligned with the exit pupil of an optical instrument to get full image received by the eye. Tag: Visual edit
- 03:1203:12, 20 July 2024 diff hist +69 Entrance pupil Generalize sentences. Tag: Visual edit
18 July 2024
- 00:3600:36, 18 July 2024 diff hist 0 Entrance pupil Slightly update a figure to show a mark "lens" clearer by moving it to the front in the figure. Tag: Visual edit
- 00:3300:33, 18 July 2024 diff hist 0 Ray (optics) →Optical systems: Slightly update a figure to show a mark "lens" clearer by moving it to the front in the figure. current Tag: Visual edit
- 00:2700:27, 18 July 2024 diff hist 0 Ray (optics) →Optical systems: Updated a figure to clarify rays in colors. Tag: Visual edit
- 00:2600:26, 18 July 2024 diff hist 0 Entrance pupil Updated a figure to clarify rays in colors. Tag: Visual edit
17 July 2024
- 07:0907:09, 17 July 2024 diff hist 0 Entrance pupil Replace an image with an image having a mark "optical axis". Tag: Visual edit
12 July 2024
- 23:3223:32, 12 July 2024 diff hist +35 Focal length →General optical systems: Clarify the side of view to determine the convexity of spherical mirrors Tags: Reverted Visual edit
- 23:0323:03, 12 July 2024 diff hist +55 Focal length →General optical systems: Clarified the side of viewing the lens that determines the convexity. Tags: Reverted Visual edit
10 July 2024
- 23:0023:00, 10 July 2024 diff hist +29 Focal length →General optical systems: Make a proper link. Tag: Visual edit
- 22:4322:43, 10 July 2024 diff hist +191 Focal length →General optical systems: Added a source for the lensmaker's equation. Tag: Visual edit
27 June 2024
- 03:3003:30, 27 June 2024 diff hist +51 Entrance pupil In the first figure, added a fact that the location and size of the pupil are determined by chief rays and marginal rays. Tag: Visual edit
24 June 2024
- 22:5422:54, 24 June 2024 diff hist +178 Ray (optics) →Optical systems: Replace a figure showing chief and marginal rays with a more proper image. Tag: Visual edit
23 June 2024
- 23:4423:44, 23 June 2024 diff hist +115 Entrance pupil Update the figure showing an entrance pupil with chief and marginal rays. Tag: Visual edit
20 June 2024
- 00:4500:45, 20 June 2024 diff hist 0 Entrance pupil Improve a sentence to clarify which object is talked about by an image. Tag: Visual edit
12 June 2024
- 23:0023:00, 12 June 2024 diff hist +68 Lens →Compound lenses: Improved two sentences with slight modification. Tag: Visual edit
10 June 2024
- 23:0423:04, 10 June 2024 diff hist −2 Lens →Compound lenses: Removed unnecessary spaces. Tag: Visual edit
- 23:0223:02, 10 June 2024 diff hist +439 Lens →Compound lenses: Added a fact that the expression of the optical power of an optical system where lenses are in contact also hold for thick lenses in contact. Tag: Visual edit
5 June 2024
- 23:1423:14, 5 June 2024 diff hist +294 Cardinal point (optics) →Nodal points: Improved sentences for clear reading. Tag: Visual edit
- 22:3922:39, 5 June 2024 diff hist +7 m Focal length →General optical systems: Clarified terms. Tag: Visual edit
- 22:2122:21, 5 June 2024 diff hist +127 Cardinal point (optics) →Nodal points: Added meaning of each terms in a figure. Tag: Visual edit
2 June 2024
- 03:3503:35, 2 June 2024 diff hist +248 Paraxial approximation Added a fact that the small-angle approximations are in dimensionless as they are approximations of trigonometric functions. Tag: Visual edit
31 May 2024
- 13:1313:13, 31 May 2024 diff hist +856 Lens →Imaging properties: Added how the Newtonian form of the lens equation can be derived. Tag: Visual edit
18 May 2024
- 02:0902:09, 18 May 2024 diff hist +1,145 m Ray tracing (physics) →Optical design: Added an optical ray tracing technique called Focal-Plane Ray Tracing. current Tag: Visual edit
12 May 2024
- 22:4122:41, 12 May 2024 diff hist +56 Lens →Compound lenses: Little more elaborate sentences. Tag: Visual edit
- 00:4500:45, 12 May 2024 diff hist +517 Exponential smoothing In the introductory section, mentioned that the double and triple exponential smoothing can be used for the prediction (while the simple exponential smoothing is not.) Tag: Visual edit
5 May 2024
- 03:5403:54, 5 May 2024 diff hist −4 Exponential smoothing →Triple exponential smoothing (Holt Winters): Remove unnecessary empty spaces and make a word time series to be a hyperlink to the corresponding Wikipedia page. Tag: Visual edit
- 03:2303:23, 5 May 2024 diff hist +4 Exponential smoothing →Triple exponential smoothing (Holt Winters): Make a word time series as a hyperlink. Tag: Visual edit
- 03:1703:17, 5 May 2024 diff hist −1 Exponential smoothing →Double exponential smoothing (Holt linear): Remove an unnecessary empty space. Tag: Visual edit
2 May 2024
- 22:5122:51, 2 May 2024 diff hist 0 Exponential smoothing Replace a capital letter C with a small latter c. Tag: Visual edit
- 08:2908:29, 2 May 2024 diff hist +214 Lens →Compound lenses: Added the general formula of multiple thin lenses in contact Tag: Visual edit
- 08:1208:12, 2 May 2024 diff hist +227 Lens →Compound lenses: Added how to derive BFD (Back Focal Distance). Tag: Visual edit
