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Space imager design corrects for Earth's curvature in the optics.

• Authors : Wallace, John

Subjects: *OPTICS; *CURVATURE; *ZERNIKE polynomials

• Source: Laser Focus World. Sep2020, Vol. 56 Issue 9, p9-9. 1p.

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Radial shearing interferometer algorithm handles square apertures.

• Authors : Wallace, John

Subjects: *SHEARING interferometers; *LASER fusion; *WAVEFRONTS (Optics)

• Source: Laser Focus World. Sep2015, Vol. 51 Issue 9, p16-18. 3p.

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Mid-spatial-frequency errors: the hidden culprit of poor optical performance.

• Authors : FILHABER, JOHN¹

Subjects: *OPTICAL instruments; *NONLINEAR optics; *ZERNIKE polynomials

• Source: Laser Focus World. Aug2013, Vol. 49 Issue 8, p32-39. 7p.

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CCD spectrometer folds spectral images from 200 to 1000 nm.

• Authors : Overton, Gail

Subjects: *SPECTROMETERS; *CHARGE coupled devices; *DISPERSION (Chemistry)SHANGHAI (China); CHINAFUDAN University (Shanghai, China)

• Source: Laser Focus World. Feb2006, Vol. 42 Issue 2, p42-43. 2p.

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Computer program finds roots of polynomials.

• Authors : Lin, D.C.; Lin, M.C.

• Source: Machine Design. 1984, Vol. 56, pages. 2

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Apply a New Approach to Dual-Fed Distributed Amplifier Design.

• Authors : AMRANI, FAYCAL; TRABELSI, M.

Subjects: FIELD-effect transistors; MICROSTRIP transmission lines; POWER dividers

• Source: Microwaves & RF; Dec2019, Vol. 58 Issue 12, p37-42, 4p, 1 Color Photograph, 11 Diagrams, 2 Graphs

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How to boost servomotor efficiency for incremental motion.

• Authors : BNaryani, Sandor J.

• Source: Machine Design. 1993, Vol. 65, Issue 24, pages. 3

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Open standard for algorithm development updated.

Subjects: STANDARDS; ALGORITHMS; MATHEMATICAL functions

• Source: Machine Design. 11/9/2006, Vol. 78 Issue 21, p41-41. 1/2p.

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Method determines brine density for HPHT wells.

• Authors : Kutasov, Izzy; Seman, Tomy

Subjects: OIL wells; EQUATIONS of state; SALT

• Source: Oil & Gas Journal; 12/24/2001, Vol. 99 Issue 52, p10-10, 1p, 3 Charts

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New shape specification eases design and fabrication of aspheres.

Subjects: *ASPHERICAL lenses; *SURFACES (Technology)ROCHESTER (N.Y.); NEW York (State)QED Technologies Inc....

• Source: Laser Focus World. Jul2007, Vol. 43 Issue 7, p17-18. 2p.

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