Perhaps all childhood learning of the existence of the laser, began to dream of their own, capable to cut everything in its path: wood, stone and steel.Of course, this dream could not be realized, because the high-power lasers are too dangerous to be allowed into the hands of the general population.Currently, however, when the development of computer technology, anyone can make this dream come true at least to some extent.
laser of DVD - device available to everyone who has a useless (but still working) drive.Of course, the resulting "arms" will not harm the solid materials, but paper, cardboard, and even plastic will be quite capable of it.
To make a laser from a DVD with your own hands, you need not so much: running (required burner) drive, capacitor voltage wiring for mobile phone battery, multimeter, a resistor, a soldering iron, pointer, LED flashlight.And, of course, desire, free time and the ability to solder.
To make a laser of DVD-drive, you need to parse it.It is recalled that the design is only suitable for the drive recorder, as other do not have sufficient capacity.
disassembled drive, you need to find in him the laser diode.It must be remembered that in any drive two of them: one weak (IR diode), the other strong (red laser).To distinguish them is difficult, but possible: the more powerful LED, which is needed for the production of the laser is in the carriage drive and has a larger radiator.
Note that before removing the laser diode is recommended to wear an antistatic wrist strap, as it (diode) is very "afraid" of static electricity, which can destroy it.In that case, if the bracelet is not and it can not get it, you need to wrap a thin wire terminals of the laser.
After removing the need to solder diode driver.Without it, the laser of the DVD is not able to get food, you need to work.For drivers need two capacitor voltage of 0.1 and 100 microfarads, resistor, current is selected depending on the speed of the drive (250, 300, 400, 450 and 500 mA, respectively, for 16x, 18x, 20x, 22x and 24x).
When soldering these elements and output wires to the plus and minus is very important not to reverse the polarity, otherwise the laser will deteriorate immediately.
to power the device, you can use the battery of a mobile phone with a capacity of 200 to 300 mA.However, for some lasers may require more capacity.
also as a current source can be used AA batteries.
In order to check whether the driver is soldered, you must connect it to the second (weak) out of the drive and the diode with a multimeter to measure current.
If done correctly, you can finally collect the laser from a DVD and put it in the desired body.For the device to last longer, it is recommended to fix all the elements in place with glue and seal them.
Make the laser from a DVD is simple enough, but working with him to be careful.We must remember that it can cause damage, so it can not be directed at people or animals.In case of eye laser can lead to deterioration and even loss of vision.
