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The Apple product was faster (4 MHz vs 3.6 MHz), and the $126 difference in price between the two computers was much smaller than the IIc's $300 + premium over the Laser 128, but the 128EX/2's memory was more easily expandable, important to AppleWorks users. The magazine concluded that while the "128EX/2 is a slick machine, the most fully ...
The multiple-prism dispersion theory is applied to design these beam expanders either in additive configuration, thus adding or subtracting their dispersion to the dispersion of the grating, or in compensating configuration (yielding zero dispersion at a design wavelength) thus allowing the diffraction grating to control the tuning characteristics of the laser cavity. [11]
The only Centronics laser product was released in July 1986: the PagePrinter 8. The PP8 used a Sharp engine identical to an existing Sharp copier, using a 6800 based controller jointly developed by Sharp and Centronics. At $2,495, the PP8 was $500 less than the HP LaserJet. A faster version was announced, but never materialized.
Joel Solon Spira (March 1, 1927 – April 8, 2015) was an American inventor, entrepreneur, and business magnate.. He invented a version of the light-dimmer switch for use in homes around the United States and led his Lutron Electronics Company into the production of lighting controllers.
JST manufactures numerous series (families) and pitches (pin-to-pin distance) of connectors. [ 2 ] [ 3 ] JST connectors are used in many types of products, and commonly used by electronics hobbyists and consumer products for rechargeable battery packs, battery balancers , battery eliminator circuits , 3D printers , and radio controlled servos .
[2] Lossless coupling is when no light is transmitted all the way through the input waveguide to its own output; instead, all of the light is coupled into the ring waveguide (such as what is depicted in the image at the top of this page). [3] For lossless coupling to occur, the following equation must be satisfied:
Ray optics explanation (focused laser). In addition to keeping the bead in the center of the laser, a focused laser also keeps the bead in a fixed axial position: The momentum change of the focused rays causes a force towards the laser focus, both when the bead is in front (left image) or behind (right image) the laser focus.
Laser machine shops care a lot about the M 2 parameter of their lasers because the beams will focus to an area that is M 4 times larger than that of a Gaussian beam with the same wavelength and D4σ waist width before focusing; in other words, the fluence scales as 1/M 4. The rule of thumb is that M 2 increases as the laser power increases. It ...