So high is demand for these pickups, largely by parents eager to check on their babysitters, that just one firm in Orange County, California, has recently been selling from five hundred to one thousand disguised cameras a month. By the end of 1997, prices had dropped from $2,500 to $3...
The Oxford team, along with their international colleagues, focused all this power down into a spot with a diameter less than a twentieth of the width of a human hair. At such high intensities the aluminium turned transparent. Whilst the invisible effect lasted for only an extremely brief perio...
The prototype (Figure 6) consists of a laser diode (mod. LPM690-30C, Newport Corporation, Irvine, California, USA) with a wavelength of 639 nm at 30 mW (Figure 6a), a linear polarizer, a sample mount (transparent optical samples such as prisms, flat substrates, and dielectric thin ...