P.E. Ciddor

1.8k total citations · 1 hit paper
32 papers, 1.3k citations indexed

About

P.E. Ciddor is a scholar working on Electrical and Electronic Engineering, Mechanical Engineering and Atomic and Molecular Physics, and Optics. According to data from OpenAlex, P.E. Ciddor has authored 32 papers receiving a total of 1.3k indexed citations (citations by other indexed papers that have themselves been cited), including 15 papers in Electrical and Electronic Engineering, 11 papers in Mechanical Engineering and 8 papers in Atomic and Molecular Physics, and Optics. Recurrent topics in P.E. Ciddor's work include Advanced Measurement and Metrology Techniques (9 papers), Photonic and Optical Devices (7 papers) and Optical Polarization and Ellipsometry (6 papers). P.E. Ciddor is often cited by papers focused on Advanced Measurement and Metrology Techniques (9 papers), Photonic and Optical Devices (7 papers) and Optical Polarization and Ellipsometry (6 papers). P.E. Ciddor collaborates with scholars based in Australia. P.E. Ciddor's co-authors include R. J. Hill, P. Hariharan, Ray Duffy, Nicholas A. T. Brown, J. M. Rüeger, H. Stöck, Richard R. Simons, Maitreyee Roy, Parameswaran Hariharan and James A. Piper and has published in prestigious journals such as Biochimica et Biophysica Acta (BBA) - Biomembranes, American Journal of Physics and Optics Communications.

In The Last Decade

P.E. Ciddor

30 papers receiving 1.2k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Refractive index of air: new equations for the visible and near infrared

1996 977 citations P.E. Ciddor Applied Optics profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
P.E. Ciddor Australia	10	520	442	428	295	274	32	1.3k
M J Downs United Kingdom	16	818 1.6×	318 0.7×	325 0.8×	344 1.2×	530 1.9×	30	1.3k
K P Birch United Kingdom	12	760 1.5×	251 0.6×	286 0.7×	282 1.0×	526 1.9×	22	1.2k
M.A. Player United Kingdom	20	253 0.5×	526 1.2×	240 0.6×	196 0.7×	39 0.1×	90	1.4k
Hajime Inaba Japan	30	256 0.5×	2.0k 4.4×	1.4k 3.4×	145 0.5×	274 1.0×	153	2.4k
Jon Geist United States	23	54 0.1×	249 0.6×	796 1.9×	684 2.3×	154 0.6×	111	1.8k
James E. Harvey United States	24	372 0.7×	648 1.5×	607 1.4×	583 2.0×	18 0.1×	141	2.1k
G. W. Day United States	20	61 0.1×	488 1.1×	1.0k 2.4×	246 0.8×	73 0.3×	72	1.5k
Marija Strojnik Mexico	14	102 0.2×	334 0.8×	192 0.4×	421 1.4×	9 0.0×	204	1.0k
A. Picard France	19	105 0.2×	136 0.3×	262 0.6×	252 0.9×	583 2.1×	36	1.1k
Takao Nakagawa Japan	27	479 0.9×	431 1.0×	400 0.9×	252 0.9×	7 0.0×	300	2.8k

Countries citing papers authored by P.E. Ciddor

Since Specialization

Citations

This map shows the geographic impact of P.E. Ciddor's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by P.E. Ciddor with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites P.E. Ciddor more than expected).

Fields of papers citing papers by P.E. Ciddor

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by P.E. Ciddor. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by P.E. Ciddor. The network helps show where P.E. Ciddor may publish in the future.

Co-authorship network of co-authors of P.E. Ciddor

This figure shows the co-authorship network connecting the top 25 collaborators of P.E. Ciddor. A scholar is included among the top collaborators of P.E. Ciddor based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with P.E. Ciddor. P.E. Ciddor is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

1.

Hariharan, Parameswaran, P.E. Ciddor, & Maitreyee Roy. (2005). Improved switchable achromatic phase shifters, part 2. Optical Engineering. 44(10). 105603–105603. 6 indexed citations

2.

Hariharan, P. & P.E. Ciddor. (2004). Broad-band superachromatic retarders and circular polarizers for the UV, visible and near infrared. Journal of Modern Optics. 51(15). 2315–2322. 12 indexed citations

3.

Ciddor, P.E.. (2002). Refractive index of air: 3 The roles of CO_2, H_2O, and refractivity virials. Applied Optics. 41(12). 2292–2292. 38 indexed citations

4.

Ciddor, P.E. & P. Hariharan. (2001). Broad-band polarization-insensitive optical-path-length modulator. Journal of Modern Optics. 48(1). 15–19. 1 indexed citations

5.

Hariharan, P. & P.E. Ciddor. (2000). Superachromatic circular polarizer. Measurement Science and Technology. 11(11). N117–N118. 4 indexed citations

6.

Ciddor, P.E. & R. J. Hill. (1999). Refractive index of air 2 Group index. Applied Optics. 38(9). 1663–1663. 111 indexed citations

7.

Hariharan, P. & P.E. Ciddor. (1997). An improved full-field compensator. Measurement Science and Technology. 8(8). 936–937. 3 indexed citations

8.

Hariharan, P. & P.E. Ciddor. (1997). Broad-band optical isolator. Optics & Laser Technology. 29(2). 83–84. 2 indexed citations

9.

Ciddor, P.E.. (1996). Refractive index of air: new equations for the visible and near infrared. Applied Optics. 35(9). 1566–1566. 977 indexed citations breakdown →

10.

Hariharan, P. & P.E. Ciddor. (1995). Achromatic phase-shifters: 2. A quantized ferroelectric liquid-crystal system. Optics Communications. 117(1-2). 13–15. 9 indexed citations

11.

Ciddor, P.E., et al.. (1993). Precision Measurement of Australian EDM Baseline using a He-Ne Laser Beat Distance Meter.. 39(4). 377–386. 3 indexed citations

12.

Rüeger, J. M. & P.E. Ciddor. (1989). Close range performance of precision distance meters. Manuscripta geodetica.. 14(1). 43–48. 2 indexed citations

13.

Ciddor, P.E., et al.. (1989). Equivalent thin film of a periodic metal grid. Applied Optics. 28(6). 1228–1228. 12 indexed citations

14.

Ciddor, P.E.. (1989). Reciprocity of phase on transmission through a multilayer or grid. Applied Optics. 28(1). 18–18. 2 indexed citations

15.

Ciddor, P.E., et al.. (1987). A 70-Metre Laser Interferometer for the calibration of survey tapes and EDM equipment. Australian Surveyor. 33(6). 493–502. 7 indexed citations

16.

Rüeger, J. M. & P.E. Ciddor. (1987). Short range performance of precision distance meters Kern Mekometer ME 3000 and Com-Rad Geomensor 204 DME. Australian Surveyor. 33(6). 480–492. 2 indexed citations

17.

Ciddor, P.E. & Ray Duffy. (1983). Two-mode frequency-stabilised He-Ne (633 nm) lasers: studies of short- and long-term stability. Journal of Physics E Scientific Instruments. 16(12). 1223–1227. 46 indexed citations

18.

Ciddor, P.E.. (1971). Some Theoretical and Experimental Studies of a Scanning Photoelectric Microscope. Metrologia. 7(4). 135–142. 3 indexed citations

19.

Ciddor, P.E.. (1965). Phase-dispersion in Interferometry Interferometers with Solid Spacers and with Broadband-reflecting Surfaces. Optica Acta International Journal of Optics. 12(2). 177–184.

20.

Ciddor, P.E., et al.. (1960). Phase Dispersion in Multilayer Films. Journal of the Optical Society of America. 50(3). 295–295. 18 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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