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PC Paintbrush Image  |  1994-06-10  |  32.3 KB  |  600x479  |  4-bit (3 colors)
   ocr: MIRRORS MIRRORS - - - GaAs Wafers - PULSED LASER 8.88 - - / 50:50 BEAM SPLITTER WEIGHTING MACHINE PAIR OF MIRRORS MOUNTED ON ADJUSTABLE SLIDE TABLE WITH VERNIER PRECISION. EACH MICRON MOVEMENT OFTABLE ADDS 2 MICRONS TO PATH LENGTH OF LIGHT. THIS CORRESPONDS TO ROUGHLY 6.6 FEMIOSECONDS OFPHASE DELAY