John J. Villa

Infrared Refractive Indexes of Silicon Germanium and Modified Selenium Glass*

Calvin D. Salzberg, John J. Villa · Journal of the Optical Society of America · 1957 · 322 citations

Optical Materials, Engineering, Reddit Share +17

Index of Refraction of Germanium

Calvin D. Salzberg, John J. Villa · Journal of the Optical Society of America · 1958 · 44 citations

Optical Materials, Engineering, Physics +13

Rapid and Accurate Measurements of Refractive Index in the Infrared*

E. D. McAlister, John J. Villa, Calvin D. Salzberg · Journal of the Optical Society of America · 1956 · 27 citations

Optical Materials, Engineering, Optical Testing +20

Additional Data on the Refractive Index of Silicon

John J. Villa · Applied Optics · 1972 · 16 citations

Altmetrics, Photonics, Engineering +13

Refractive Indices and Transmittances of Several Optical Glasses in the Infrared*

G. W. Cleek, John J. Villa, C. H. Hahner · Journal of the Optical Society of America · 1959 · 15 citations

Optical Design, Optical Materials, Engineering +19