The Optocoupler Mk II’s lens shaped input and output surfaces produce an extra focusing of the light beam. Light entering the cable at an angle is focused and therefore undergoes 50% less wall reflections per unit length inside the fiber (i.e. the light path is shorter). This not only reduces the loss of light intensity (attenuation) (even when the cable is being bent), but also the time difference of travel between the light rays traversing the fiber at various angles (so-called modal dispersion) is much reduced; A pulse of light traversing the optical fiber therefore undergoes less time-smear and this in effect reduces the amount of jitter distortion experienced at your D/A converter. The Optocoupler Mk II’s convex shaped fiber ends furthermore bring about a better controlled fiber top surface contacting the optical transmitter and receiver-end. In this way optical insertion losses are reduced to a minimum. When it comes to speed, van den Hul guarantee a minimum transfer capacity of 250 Megabit/second. All in all the Van den Hul Optocoupler Mk II’s forms a perfect high bandwidth, low-loss and low jitter optical connection, able to serve you with a very high sound and/or picture resolution at an unsurpassed definition. The colour of the cable jacket is mother-of-pearl and the connectors are white with a red ring including “Van den Hul” printing.
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