How to View an LED Light Through Polarized Glass |
Viewing an LED light through polarized glass becomes simpler once you learn the trick. Polarized items have vertical filters that cut out light waves that are horizontally oriented. By rotating the polarized glass, you can see the LED light. This allows for the blocked wavelengths to know make it through the polarization of the glass. You can even rotate the glass partly if you want a dimming effect.
Instructions 1 Turn the LED on by plugging in its power source and turning the power button on. Do not worry about the power usage, as the LEDs are very energy efficient and can run for weeks on end just on battery power. You do need to keep the LEDs out of moisture as they are electrical circuits like any other and as such, can short out with if doused in liquid. Make sure that the light is on then put on your work gloves as the edges of the glass may be sharp.
2 Hold the glass by the edges carefully. Place the glass between you and the LED so that the light has to pass through it (or not in this case). Rotate the glass until the LED light starts to come through the polarized glass. Once the glass is rotated 90 degrees you will be able to see it fully. If you rotate 180 degrees the LED light will again be hidden. If you rotate the light between 90 and 0 degrees you will be able to dynamically dim the LED light as it passes through the polarized glass.
3 Mount the glass in whatever application you are using it at the angle that you want. Remember that anything under 180 degrees of rotation will give light, but the largest amount of light will pass through at 90 degrees. Use a laser light to ensure that the line of sight between the observation point, the polarized glass and the LED is correct .If the light has to pass through the polarized glass obliquely then it will totally obscure the LED light passing through. The laser light will be powerful enough to pass through even the polarized glass, showing a laser spot on the LED light housing.
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