May 27, 2013 #1 G glowdye 0 Joined Nov 14, 2007 Messages 61 Points 8 Which diode laser has the best beam quality. I am looking for TEM00. gaussian profile, color does not matter.
Which diode laser has the best beam quality. I am looking for TEM00. gaussian profile, color does not matter.
May 27, 2013 #2 Zeebit 0 Joined Aug 27, 2012 Messages 1,110 Points 0 DPSS lasers have the best beam profile. For a diode laser I think its a 405nm diode.
May 27, 2013 #3 DrSid 0 Joined Jul 17, 2010 Messages 1,506 Points 48 Zeebit said: DPSS lasers have the best beam profile. For a diode laser I think its a 405nm diode. Click to expand... Well depends on power .. my 400mW DPSS green has many additional modes .. I would go for 405nm or red .. I mean data recording diodes .. DVD or BRD, as they are designed to have perfect beams, unlike many DPSS lasers.
Zeebit said: DPSS lasers have the best beam profile. For a diode laser I think its a 405nm diode. Click to expand... Well depends on power .. my 400mW DPSS green has many additional modes .. I would go for 405nm or red .. I mean data recording diodes .. DVD or BRD, as they are designed to have perfect beams, unlike many DPSS lasers.
May 27, 2013 #4 Zeebit 0 Joined Aug 27, 2012 Messages 1,110 Points 0 Yeah but he did not specify a power rating so I immediately thought of DPSS lasers. How come these single mode diodes produce a rectangular shape inside the dot? I have noticed this with my 405nm and 650nm diodes.
Yeah but he did not specify a power rating so I immediately thought of DPSS lasers. How come these single mode diodes produce a rectangular shape inside the dot? I have noticed this with my 405nm and 650nm diodes.
May 27, 2013 #5 G glowdye 0 Joined Nov 14, 2007 Messages 61 Points 8 it probably has something to due with the lasing material being square shaped on a die.