Products/Services for 6x Fresnel Lens

  • Fresnel Lenses-Image
    Fresnel Lenses - (35 companies)
    Fresnel lenses resemble a planoconvex or planoconcave lens that is cut into narrow rings and flattened. If the steps are narrow, the surface of each step is generally made conical and not spherical. How to Select Fresnel Lenses. Image credit: Knight... Search by Specification | Learn More
  • Magnifiers-Image
    Magnifiers - (175 companies)
    ...or more, magnification levels. This style includes traditional bifocal lenses that have two different strength lenses melded together, as well as swing lens or drop alignment types. ESD safe: Electrostatic discharge (ESD) can damage sensitive... Search by Specification | Learn More
  • Camera Lenses and Video Lenses-Image
    Camera Lenses and Video Lenses - (282 companies)
    ...lighting conditions. In auto DC drive lenses, the iris is automatically adjusted via a dc signal output by the camera. There is no circuitry in the lens, just the motor driven by the DC signal. For auto video drivesthe iris is automatically adjusted via... Search by Specification | Learn More
  • Lens Holders-Image
    Lens Holders - (30 companies)
    ...holders that can be used to hold lenses with a variety of shapes and characteristics. Common lens holders include fixed lens holders, fixed lens holders with retaining rings, two-axis lens holders, universal lens holders, and self-centering lens holders... Search by Specification | Learn More
  • Optical Lens Assemblies-Image
    Optical Lens Assemblies - (145 companies)
    Optical Lens Assemblies Information. Optical lens assemblies are composed of a number of lenses mounted for a particular imaging function. These can include telecentric lenses, collimators, beam expanders, zoom lenses, etc. Optical lens assemblies... Search by Specification | Learn More
  • Optical Lenses - (447 companies)
    ...lens elements --one high-dispersion concave and one low-dispersion convex -- to achieve their corrective effect. An achromatic doublet. Image credit: Encyclopedia of Science. Fresnel Lenses. Fresnel lenses consist of thin, lightweight plastic sheets... Search by Specification | Learn More
  • Microscope Lenses and Objectives - (63 companies)
    ...instead of video cameras. Other optical components for microscope lenses and objectives include contrast plates, cover slips, diaphragms, illuminators, mechanical stages, and mirrors. The objective lens is the microscope lens closes to the object. Search by Specification | Learn More
  • LED Mounts and Lenses - (79 companies)
    This is the mount only, LED is not included. LED Lenses. LED lenses can include square, domed, or any specialty type lens. This is the lens only, LED is not included. LED Components and Hardware. LED light pipes are components and hardware used to transfer... Search by Specification | Learn More
  • Zoom Lenses - (20 companies)
    Zoom Lenses Information. Zoom lenses are mechanical assemblies of lens elements that provide the ability to vary focal length and angle of view. In optical systems, shorter focal lengths provide greater optical power. In telescopy and photography... Search by Specification | Learn More
  • Cylindrical Lenses - (136 companies)
    Cylindrical lens have at least one surface that is formed in the shape of a cylinder. Cylindrical lenses are used to correct astigmatism in the eye, and, in rangefinders, to produce astigmatism, stretching a point of light into a line. This area... Search by Specification | Learn More
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  • Intracavity beam correction methods
    A = 6x . ...a correction u(x, y) = $(x 2 • y2), but the equivalent Fresnel number of the... ...2 shows the relative change in beam intensity at the focus of the lens (Strel number) obtained...
  • Near-field x-ray lithography to 15 nm
    With the 'demagnification', dense lines have been demonstrated 2 Neither lenses nor mirrors are used between mask... ...beam energies (1.2-0.6 nm wavelengths) were used, and demagnifications down to 6X were obtained. ...many novel features and is sometimes called Ultra-High Resolution Lithography8 (UHRL), employs Fresnel diffraction positively near...
  • High-Flux Stress Testing of Encapsulants for Medium-Concentration CPV Applications
    Fresnel lenses are typically constructed using an acrylate polymer (e.g. polymethyl methacrylate) that is stabilized using UV absorbers that will yield a transmittance profile similar to the UV-absorbing film shown in Fig. 4. ...indicated that the removal of Ce from glass causes degradation to occur between 2 and 6X faster.
  • Self focusing in gas breakdown by laser pulses
    ...that the 90" scattering of laser light in gas breakdown is due to Fresnel reflection at the... Typically this cone angle is 30" for ne = 1. 6x 1020and A = 6943 A. ...1mm diameter section of the main beam was focused by a 3 cm lens in the test...
  • On the classical and quantal binary-encounter approximations
    ...that the 90" scattering of laser light in gas breakdown is due to Fresnel reflection at the... Typically this cone angle is 30" for ne = 1. 6x 1020and A = 6943 A. ...1mm diameter section of the main beam was focused by a 3 cm lens in the test...
  • Stretching of red blood cells by optical tweezers quantified by digital holographic microscopy
    ...18,19 combines digital recording with traditional holography and by solving numerically the Fresnel propagation equation and... ...a Nd: YVO4 laser (L1; IPG Photonics, USA) beam was expanded through a 6X beam expander (BE... The lens pair in the beam expander was used to control the divergence of the expanded beam...
  • Journal of Spacecraft and Rockets > Starwisp - An ultra-light interstellar probe
    ...the Starwisp probe will be accelerated to one-fifth the speed of light (vt= 6x 107 m/s). If the Fresnel lens efficiency is estimated to be e/ = 0.80 and the beam efficiency to be eb =0.84, then the "propulsion" efficiency of the microwaves on the sail is .
  • Influence of photodetector response time on operation of monostatic and bistatic airborne meters of turbulence
    In Eq. (2), Q = ka2 Ix is the Fresnel number of the source (k = 2'rr/& is the wave number, a is the radius... ...the initial curvature radius of the phase front of the beam, c2 = =O,O77C62k7' 6x 1/6 (C is the ...of the emitting aperture; and using the Gaussian approximation of the transmission coefficient of the receiving lens , .
  • Zoom-chirped DOW interference system for micro and nano-lithography
    Distance between Lens 2 and Corner of Fresnel mirror 12 nm/cm for Lens spacing d =100 mm and α = 100 ...when d = 195 mm; Chirped rate = 9 nm/cm when d = 5 mm. 1. 6X , when d = 195...
  • 22-nm lithography using near-field x rays
    1] 2] [3] [4] without lenses or mirrors ...beam energies (1.2-0.6 nm wavelengths) were used, and demagnifications down to 6X were obtained. ...many novel features and is sometimes called Ultra-High Resolution Lithography51 (UHRL), employs Fresnel diffraction positively near...


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