Step 1: Getting Cameras
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To begin with, you are going to need a ton of disposable cameras. Depending on how powerful you would like your ray gun to be, you will choose how many disposable cameras (though at a sufficient amount there is a ceiling to how much the pistol can pump out). Politely go to a nearby photo developing store and ask if they have any used disposable cameras.
From my experience, the store employees' willingness to cooperate is dependent on a few things:
1.) How old you look
2.) How much you look like you know what you are doing
3.) How dangerous your project sounds when they ask you what you need the cameras for
Once you have a big bag full of cameras, its time to start shucking! Inside each camera there are many useful components we will need. But before removing the outer plastic container, you must first remove the camera's battery, and have a thick piece of metal insulated from your hand. Use this to discharge the camera's capacitor very carefully by tapping the two pieces of metal jutting out from it. Once the capacitor is discharged and the battery is removed, the electronics are safe to touch. Remove them. I have attached a photo with the basic information on it. Though there are many different designs for disposable camera circuits, they all work similarly.
Step 2: Make a Capacitor Bank
Use the soldering iron to wire half of the capacitors in parallel. Do the same with the other half in a different row. Tape the two rows together and connect the two rows in series.
MAKE SURE that when you are connecting in parallel, + terminals are connected to other + terminals and - terminals are connected to other - terminals! Failure to regard polarity with these flash capacitors will lead to all sorts of nasty things! A stripe on the side of the capacitors indicates NEGATIVE polarity.
Save one disposable camera circuit with the capacitor still in it. We will need it later.
Step 3: Power Section
Get a 2x AA battery holder (usually $2 online) and solder the positive end from the holder to both the positive battery terminal on the circuit with the capacitor and the one without it. The terminal is where you first removed the battery from the disposable camera circuit. Make sure that you are observing the correct polarity!
Do the same with the negative end.
Refer back to step 2 for a simple labeled picture of the flash circuit.
Step 4: Wiring the Charging Circuits
Remember, polarity is very important. So make sure the positive from the charging circuit is connected to the positive on the capacitors and vice versa.
NOTE: You will need to wire switches so that before switching between charging ROW 1 and ROW 2 the row that you were charging is DISCONNECTED otherwise there will be a big spark. Use HEAVY DUTY switches also. Touching the capacitor terminals at any time is DANGEROUS! Use adequate insulation. Similar insulation to what is found in disposable cameras should work fine (thick plastic).
Step 5: Ionizer and the SSY-1
Although the capacitors will be connected directly to the SSY-1 laser head at all times, the energy from them cannot flow through. First, the gas in the flashlamp must be IONIZED.
Refer back to step 1. Find where the Ionization coil is labeled. Desolder the metal on top of the ionization coil on the board that you left the capacitor in. Solder a hanging wire to it. We will use it later.
The SSY-1 has 3 wires:
1.) RED (goes to the POSITIVE on the capacitors, see picture on step 2)
2.) BLACK (goes to the NEGATIVE on the capacitors, see picture on step 2)
3.) WHITE (solder to the hanging wire from the ionization coil that we discussed)
Get a trigger button and solder the two ends of it to the flash trigger on the board in which you had left in the capacitor. Remove metal trigger bits from the other board.
Step 6: Optional Addons
Step 7: Author's Notes
On "Proper Eye Protection"
I know that I have discussed the necessity to shield one's eyes several times, but I cannot stress it enough! I cannot tell you about all of the senseless banter and condescending comments that I have received about the safety of this project and my apparent "lack of respect for the laser." Optics engineer “Sam” from a leading solid state laser enthusiast site who has had experience with these lasers has this to say: “What can be said, but that this is a fun little device. It's also the only part of an Abrams tank I will likely ever own. The SSY1 laser was used in the tank's rangefinder. These ND:YAG lasers have been replaced with an eye-safe kind, (but) these surplus lasers are great for educational purposes. It was extremely easy to get the laser to work the first time. A child could do it. At this point the usual thing should be harped on again, tirelessly ad nauseam. We have all heard it before. It's not so much that some idiot will look into the laser, it is more likely that a reflection could come back from an unintended target and strike the eye. one should use laser safety glasses when working with this unit. If one does not have them, closing the eyes during firing is better than nothing.” If you do not have access to infrared safety wear, at least cover your eyes! I cannot tell you how many times people have mistaken this advisory with "you don't need infrared safety goggles" and argued with me about how I lacked "respect for what I was dealing with." I am arguing feasibility and necessity, not optimization. Even some of the trolls that I have dealt with have eventually agreed that closing eyes and/or shielding with the hand is adequate (not optimal) protection!
Capacitors need to be discharged by an insulated piece of metal, try a screwdriver with a rubber/plastic handle. Do not touch the metal portions of the capacitors at any time! Use as much insulation as possible. One troll I was dealing with suggested that 800v was too much for the flashlamp to handle, though it can handle 900v! In addition, the flashlamp does not stay ionized before all of the capacitors have a chance to discharge, and the q-switch limits how much goes into it (though I do not recomment pumping too much into the laser, SSY-1's have a wide range of performances).
On Posting a Dangerous Tutorial:
This project is no more dangerous than building a tesla coil, using MOT power supplies, or many other hobby projects that exist with tutorials online. As long as sufficient safety precautions are taken, there should be no problem. I hold no responsibility for the abuse or partial reading of my tutorial. Some trolls have suggested that somehow solid state laser DIY'ing is a "secret knowledge" that should not be made available to the public. Hogwash! The SSY-1 is a well-documented laser. Whether or not a MOT is dangerous at a distance is not the issue (almost all dangerous devices have instances when they aren't dangerous). Even professionals sometimes make mistakes. It is no easier or harder to observe necessary safety measures for using a MOT device as it is to use an SSY-1 device. MOTs can be lethal if not handled properly. Any laser device can pose a hazard to bystanders. Recently, one story in the news was that a guy with a laser pointer forced a helicopter to land! This is not the sort of activity I suggest fostering. If you follow the necessary safety precautions, just as you should for any other dangerous tutorial, no problems should arise. One story I've also heard was that a guy was experimenting in his garage with high voltage and set his house on fire. There are plenty of ways that any dangerous project may pose a hazard to others, yet, if handled in a safe way, should be fine. (Unless you wish to also ban archery, shooting skeet, campfires, AC power (as suggested by Edison because of the dangers of AC over DC), laser pointers, cars, planes, and pretty much any other item that can possibly pose a hazard). I am saying that unsafe projects should not be banned for the sake of them posing a danger such as tesla coils or MOTs (which DO pose just as strong a hazard), as long as the user is following safety precautions. In the words of Sam, the leading SSY-1 hobbyist:
"these surplus lasers are great for educational purposes."
Sorry, but hey, what's a guy to do when he is poor and has to pay for college and can only afford a handy cam and a small place to live? XD
On Memes Appearing Online:
Yeah they're here