DTR's Laser Shop: Diodes-Drivers-Lenses-LEDs & More

[edison]

Mmm yes good point i missed that its a surplus item. Well if its not availble on a regular basis what,s with all the excitement then? Sure its allot of red but after 1 watt i think everyting goes red lets say you build a projector now and a year later you want to build the brother and you can,t get the parts for it not very convinient i would say. At this point its just a toy to play with i would say but a nice toy i must admit Unfortunally the first laserpointer guys already thinking about the next dangerous weapon.

[planters]

Well if its not availble on a regular basis what,s with all the excitement then?

I think you may not have been the only one who missed this or there is a wide spread belief that Lazeere may have obtained these to evaluate the interest before contacting the manufacturer and contracting for a quantity buy. I am not prepared to waste time guessing.

[Picasso]

secret makes money, being open and honest will get you no where

Being closed is one thing, but I would hope you are at the least an honest seller.

[edison]

People pay me so with that comes responsibillity. That means you need to sell a good, reliable and honest product. And maybe more important that give warrenty and service. If you care about the customer that means allot. That way at least you have some chance that people stick with you instead of running of to the next that can sell stuff 5usd cheaper. Rob stanwax is a perfect example of this. Unfortunally he also experiance that people run of to someone who offers for example a PBS cube for 5usd cheaper. But you can,t make everyone happy.

[Lazeerer]

Hey Guys,

So i took out all the optic i had to see if i can correct the beam and shape it.

Now to be honest iam not much of an Optic Guy. I know enough when it comes to correcting a standard diode with No FAC lens but i dont know the "Proper way" to take on beam correction on a diode with a FAC lens.

What i mean by proper way is basically you know how we use C lens and Prisms to correct and shape the beam of a multi mode diode, well do we do the same for a multi mode diodes with a FAC lens.? Iam not sure.

I spent about 6 hours yesterday trying a bunch of different optic setups out.

Here is what i have so far.


I cant remember who said it but i read that usually ~20 meters the beam starts to get ugly again in a projector setup so its good to measure as as far away as you can. So i tried to get as close to that distance as possible for you guys and was able to get 3 different distances and that is At the Aperture, Second at 28 feet and finally 56 feet by bouncing the beam off a mirror.

Note: Unfortunately Most of the optics where not fixed in place since i was trying many different lens setups so the beam is not perfectly aligned so the dot might have a funny look to it

Note 2: Each Square is 1 Inch.


So in this first picture iam just using a bare 50mm FL lens and the distance is 56 feet away to get an Idea what it looks like:



The first good results i seen was with Setup 1 when i used the 50mm lens along with a prism set:


Here is a Beam shot of Setup 1:



Here is the beam leaving the lens from setup 1:


Here it is at 28 feet with setup 1:



Finally we have it at 56 feet with Setup 1:



Next is setup 2. Very similar to the first one but this setup has a expander like lens added.


The Beam "As you notice its a little wider then setup 1":



The beam leaving the lens in setup 2:



The beam at 28 feet away of setup 2:


The beam at 56 feet away of setup 2:



Thats what i have so Far.

If anyone has an idea they want me to try please shot them at me.

I dont have a set but would teloscoptics help the beam.? If so anyone knows of a place to buy a set cheaper then Edmunds.?


Thanks.


As a side Note: About source and stuff.

Most of the people that know me, know that i have no reason to hide anything or would even do that had i had the info to share.

Ive mentioned everything that i know and where these diodes come from and that this is not on line purchasing but through a friend that works at a laser diode lab. Ive known him my entire life. Special diodes like this i find are usually 99% of the time through him. There is No source to give out.


I did not gain my reputation cheating people. I dont even know why i have to say any of this. I dont post much over here but alot do know me pretty well for the amount of times they have dealt with me over the past couple of years. What makes me upset though is a couple people so far that have been extremely nice to my face "So called reputable members" then the second they finish talking with me they go behind my back and tell others they want to basically screw me over on these and on top of that make fun of me..... and Thats fine but its shocking to see.

I thought everyone would actually enjoy the find and find a use for them. Not complain that iam hiding info and make that the main talk.

I have been around long enough to know how things go and iam not doing anything different then any other person would. I dont see people asking Other diode sellers or laser part sellers who there sources are and those are mostly Online sources . So what difference is this. I do sell. Not diodes much but I am a seller. Is my reputation not good enough to be trusted here. ?

I have sold thousand of items over the years and not 1 bad experience.

I posted all the info i have.

If you think iam getting rich over here then you are mistaken. I honestly dont care if i sell these or not. Iam doing this for you guys. I like to find new stuff and share, its exciting and i enjoy it.

Now if i really wanted to make money i would just keep them all to myself and sell them in builds and be the only one to have them. But iam not. Is sharing my findings not good enough anymore.


I do this for a Hobby and iam a wavelength collector. Nothing More. I sell because i enjoy making people happy with new things i make or find and cant keep everything for myself.

All iam doing is trying to help and enjoy the hobby at the same time with a new find. Iam sorry that some dont see that.

If some need assurance they can check my reputation on LPF. Being that several reputable memebers from PL contacted me over there and said they dont post much on LPF but have a high reputation over here on PL i assume that our reputation will cross reference as they implied.

Iam one of the most honest sellers around. I dint make it to where i am today being anything but honest.

Now if anyone has any ideas to thin out the beam iam all ears.

The C-lenses i have here are not working to well so iam searching for a new pair with a Longer FL at the moment aswell.

Let me know what you guys think.

Cheers

[Stiffler]

Hi Lazeerer,

I don't think anyone on this forum means any harm, I think everyone is just trying to determine how many are available, if there is any manufacture data, why these diodes exist,and if they will be produced again. Like Planters said, it doesn't make a lot of sense to invest time into designing optics for a diode if there is a small, finite number available. Regardless, thanks for keeping us updated.

-Eric

[Lazeerer]

There is at least 100pcs right now that i know of. A little less now that people have ordered.

If those happen to all go they will still be available just not in any "Large" Amount i was told.

I wish i had information on the diodes. But i really dont know other then a reputable maker made them for a custom order Client and the order was some what big and these where left overs but they are still using this same diode so more are being made... Just not in large numbers.

Each diode has its own Serial name it appears like.

I do know they are not on the open market. If "Custom" Means they took this die and put it on a C-mount base or Custom as in this diode was specially made i really dont know.

[steve-o]

Thanks for that Lazeerer. That clarifies things a bit. I probably stirred the pot a bit with my "its top sekret" comment. Sorry about that. I do that kinda stuff here too and on other forums as well. No bad intentions meant at all.
So, more of these are still being built? That's good. No data sheet though.. that's strange .. hmm. They're $300+ something bucks each? Not too bad for that kind of power. Any idea of the wavelength? Maybe you posted it and I missed it. Do you think the price will go down eventually, or being a custom job probably not.
Have a good one and thanks..
PS- the only optics advice I can think of is try to measure the emitter and obtain the raw beam divergence. We may be able to collectively figure out a "grail" solution for ya

[142laser]

Oh well no major company will tell you what diode is in their laser either...ask Melles Griot, Toptica...this is usually controlled information.

[steve-o]

^ Good point Phil.

I know enough when it comes to correcting a standard diode with No FAC lens but i dont know the "Proper way" to take on beam correction on a diode with a FAC lens.

Does this mean that this diode does come with a FAC lens attached ?