Friday, December 3, 2010

2W Blue Laser 445nm versus 10 CD cases + 1 DVD tube bottom

I saw a video (couldn't find it right now) here on LPF where someone was burning through CD case and so I tried something similar with my 2W 445nm. (aka Frankenstein built by the user DTR)

This is a video of a 2W Blue Laser burning trought 10 (ten) CD cases and the plastic botton of a DVD-R tube.

And don't forget to watch in HD if possible, much better details.

Tuesday, November 23, 2010

50mW 445nm Blue Laser Pointer from dinodirect

The wavelength shorter than a red laser(445nm), the beam of blue laser is powerful enough to be seen even in the bright room. Blue Laser Pointeris ideal for highlighting overhead or LCD projections, videos, maps and charts, and it is a unique and unusual item .You can be one of the first in the world to possess this special gadget.

http://www.dinodirect.com/blue-laser-pointer-pen-50mw-445nm-handheld-open-back.html

Monday, November 22, 2010

Blue Laser 1 Watt 445nm Diode w/lens $70

there is a hot debate about the difference of a xj-a130 diode vs a xj-a140 diode.  The fact is they are the same diode but the a140 is a higher "bin". This means the a140  diodes, when tested,   performed more efficiently than the average a130 diode allowing them to run at higher outputs longer and cooler. The following  graph illustrates  the differences.


http://cgi.ebay.com/Benchmarked-Blue-Laser-1-Watt-445nm-Diode-w-lens-/280591734908#ht_3275wt_1135

Sunday, November 21, 2010

445nm Blue Laser Pointers from BeamQ Lasers

Dimensions: Φ33*146mm
Wavelength: 440nm-450nm
Output Power: 450mW-550mW
Average Power: 500mW
Dot Size: <φ18MM,10M distance
Operation Temperature (℃)   -10℃~+30℃
Storage Temperature (℃) -10℃~+40℃
Operating Voltage    DC=3.7V (DC)
Starting Voltage DC=2.5V
Battery: 18650 x 1pcs


http://www.beamq.com/445nm-blue-laser-c-48.html

Sunday, October 31, 2010

600mW 445nm 3x10440 build with gun barrel heatsink

I'm not an expert at this sort of thing. Constructive criticism is always welcome There are some things I would definitely do differently next time (list at end) but basically I am happy with it and want to share it!
Here is the stuff I used to build it. In the UK we have the lovely Maplin which I guess is like the USA's Radio Shack (do they still exist?) where you can buy really crappy "Rolson" 3xAAA LED torches "three for a fiver" kind of thing. The host betrays its poor quality by its clicky which is a bit coarse in operation. The housing is aluminium and quite thin and feels flimsy. Ah well. (Those wires on the driver, I took them off.)

http://laserpointerforums.com/f44/600mw-445nm-3x10440-build-gun-barrel-heatsink-56511.html

Blue Laser Chat

It wasnt that long ago that it was said blue lasers were impossible to make then a japanese scientist discovered how to make blue laser light by accident, while trying to create blue LEDs. This was very exciting for the industry as the shorter wavelentgh was always going to be very useful for storage of bulk data on DVDs .... hence Blu Ray ! !

The first blue laser pointers to hit the market were 473nm , over £1000 and a truely stunning laser light to look at and these were only able to be manufactured as spare diodes became available from production of miltary storage storage products who were taking advantage of this shorter wavelentgh , however the military quickly moved onto even shorter wavelentghs so there no mass production of 473nm diodes , so prices of these in laser pointer or hand portable form are likely to remain high and on par with yellow lasers.

Then a bit of excitement , as mass market products such as DVD players / burners started being produced by the millions ( Blu Ray Products ) which meant loads of 405nm diodes available to be used in hand portable and laser pointers and laser pens , but in reality 405 is slightly fuzzy , slightly hazy and purple and not really that great or that useful so it has remained a hobbyist and specialist use laser

Now along has came 445nm Blue diodes ( 2010 ) being manufactured for use in display projectors such as casio XJA140 .... the incredibly exciting thing about these is the prices ! In early 2010 try and buy say 1000mW of 445nm and it would cost you £2500.... now people are paying £800 for a projector and literally ripping them a part as the unit contains 24 one watt ( 1000mW ) Blue 445nm lasers ... some hobbyist have built incredibly powerful 1000mW blue laser pointers and people who build laser projectors are jumping for joy as blue was always the most expensive part of their RGB setup , now its the cheapest and most powerful componant literally in the space of a few months.

We have seen them all and 473nm is a kind of light blue colour , 445nm is best described as royal blue and 405nm as purple , its not likely you will see a 445nm laser pointer or hand portable soon as at the moment the units are simply too powerful for handheld laser pointers ( 1 watt of laser anything is simply crazy power , and very very dangerous to eyes and skin )

445nm Blue Laser Burning STUFF 520mA

This is a video of my 445nm Blue Laser Burning some Matches, Electrical Tape,and a black CD case.It is set at 520ma dont know the mW but iam sure its around 500mW with the G1 lens.

I should be get my permanent host in early next week. :)

This is a high powered laser and burning stuff at this close range must wear the proper eye protection,even in none close ranges still need proper eye protection.Remember you only have 2 chance with your eyes do not risk it!!! Same goes if you decide to get the S3.

An lasers including The Spyder S3 arctic From Wicked Lasers are high power laser make sure to always use proper goggles and make sure they are the correct wavelength for you lasers.

http://www.youtube.com/watch?v=4TgXvU5zFBE