laser focusing

   
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what_Baldness

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April 17, 2012, 06:42 AM

Hi, do you think it is a good idea to remove the focusing lenses from the axis lasers? I get a much more wide spread and less of the red dot effect, which seems more like the commercial devices uses.

also is there disadvantageous of operating the lasers at 5v instead of 3.3V?

 

IGNORE

Lapwing

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# 1 ]

April 17, 2012, 02:03 PM

What_Baldness,

OMG uses unfocused (diffuse) diodes in his helmets.  So what are you talking about, do your research.  He lays out all the details on his website.  You always want to operate your diodes in their proper specs, if not you will kill their longevity and may not get proper function.

 

IGNORE

BSD

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# 2 ]

April 17, 2012, 04:25 PM

http://www.overmachogrande.com/index.php?/omg/site_pages/a_quick_note_on_diodes_and_power_and_usage_time_frequency/

 

IGNORE

BSD

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# 3 ]

April 17, 2012, 04:32 PM

Also from the Pulse Drive website

[[“It is believed that there are a number of mechanisms that could contribute to improved LLLT results using pulsed lasers. Firstly, pulsed lasers have what is known as “quench” periods, which is the laser “off” time and this allows for higher peak power densities to be administered and this is exactly how Spectralight’s PulseDrive works. Instead of driving the lasers with a constant 3 volts the lasers are driven with 8 volts for a very short period of time which is then followed by an “off’ period. The end result is that PulseDrive delivers the same average power as driving the lasers with a constant 3 volts, however it also delivers higher peak power which could help to improve penetration depth and the overall biostimulation effect. (The peak power is well within the operational parameters of Aixiz 3.2 volt laser modules).”]]

So it seems that more power is better, as long as it is in operating specs of the laser and doesn’t damage biological tissue.

 

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what_Baldness

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# 4 ]

April 18, 2012, 05:48 AM

Lapwing - April 17, 2012, 02:03 PM

What_Baldness,

OMG uses unfocused (diffuse) diodes in his helmets.  So what are you talking about, do your research.  He lays out all the details on his website.  You always want to operate your diodes in their proper specs, if not you will kill their longevity and may not get proper function.

thanks,

oh dear, have I damaged my scalp by using focused ones for 3x 20 mins sessions last week?

 

IGNORE

 
   
 








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