No beam :(

[Evtimi]

Hello I have a red china laser with power of 1mW - it produces a bright red spot, but NO beam! All the lasers on the internet clips have beam... but not mine

 

[timelord]

1 mw will not show a beam to the human eye, so all you will see is a DOT but hey you've only just got started.
Welcome to the forum and have a good read here

 

[Evtimi]

Yes, the support from one very famous website for laser sell said the same .. but that's a picture of a yellow laser 1mW that have a beam

 

[Hemlock_Mike]

There's a trick to photograph a beam -- Blow a little smoke in front of the laser
and you will see the beam like that.

Mike

 

[Evtimi]

that's not fair .... ------------------
can I add lens or mod it ? I don't need power - just a beam

 

[timelord]

No!! in short mate sorry man :'(

 

[Evtimi]

then I hope that I can get a laser diode with 90mW of power for 10 euro

 

[Things]

just get a cheap green laser, then you will be able to see the beam at night or if it's powerful enough, even in light conditions try dealextreme.com they are cheap and work great

 

[SenKat]

A lot depends on the angle of the photo as well - you can clearly see the beam if you are looking almost right at a parrallel to the laser - either from in front (careful !) or from behind it - almost like you are sighting down the barrel of a gun. to get the beam on camera takes a little work !

 

[Evtimi]

Is this lasers enough powerful for a visible beam in the air without any gas ?

Are the 808 nm visible ?

There's another choice but a "pulse" (?) laser

there's also a 10W power for approximately 30 euro

 

[SenKat]

Is this lasers  enough  powerful for a visible beam in the air without any gas  ?

Are  the 808 nm visible ?

There's another choice but a "pulse" (?) laser  

there's also a 10W power for approximately 30 euro

Email me hte info about the 10W laser for 30 Euros, please ?

The 808nm can be seen as a dull red glow....

 

[Evtimi]

I thing the laser is IR

 

[bobblaine]

Spray some hairspray or water it will make the beam super visible.

 

[SenKat]

The links you sent me - the data sheets say one thing, the pictures tell me something different. I have never seen ANY diodes encased in plastic before - much less high powered ones I do not doubt that they think they are lasers - heck, they might be - but the picture was of an LED....Very odd

 

[twisted_transistor]

There's another choice but a "pulse" (?) laser

i think you are thinking pulsar, just a name for a 75mW, 100mW, and 125mW red laser sold by Wickedlasers.com

 

[SenKat]

[quote author=Evtimi link=1180666651/0#9 date=1180833964]
There's another choice but a "pulse" (?) laser

i think you are thinking pulsar, just a name for a 75mW, 100mW, and 125mW red laser sold by Wickedlasers.com
[/quote]


No - he was talking about Pulsed laser diodes, not a brand

There are two main types of emmissions for laser diodes - CW, or Constant Wave and Pulsed Wave. It described the ouput characteristics of the laser diode. Take a look at my review of the Dragon Lasers Aurora (blue) for a good example of Pulsed operation.