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Old 05-16-2010, 08:01 AM #1
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Default HeNe Tube voltage Info? (pics)

Alright, my new interest in gas lasers, mainly helium neon's has led me to buy some things from heNebay, one complete inclosed system, one complete bare tube with powersupply that I have just bought, and the first bare tube I bought, which is what this thread is about

So does anyone have any ideas if the seller's 900-1200v rating is accurate? See pics below:




Im also wondering if maybee I can use the 1200-1600vdc powersupply that is coming in with my newest order?
I like this tube alot because it shows more plasma than some of the others I have seen.

Attached Thumbnails
HeNe Tube voltage Info? (pics)-1273994300313.jpg   HeNe Tube voltage Info? (pics)-1273994294853.jpg   HeNe Tube voltage Info? (pics)-1273994294086.jpg  


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20mW rated 473nm PGL III-C outputing 55+mW and peaked at 96mWthanks Glenn!!
80mW rated 589nm PGL III-C
300mW rated 532nm PGL-III-C---Peak---450mW!!!

250mW labby from ebay---peaks near 300mW!


125mW viper DL-peak 188mW
50mW focusable ~Top laser 301-peak 44.12mW
Several modded pens 10 -30mW
*DIODE*
445nm diode pocket mini build, 700mA ~ 600mW---
445nm diode in 18650 kit---1.1A---1W

16X LCC chrome pckt mini, flex 500mA, outputting 303.2mW with G1
LOC with RKCSTR-- 434mA thanks FPyro-peak 305.1mW with G1
130mW 3.8mm diode pointer from moh-peak 140mW
635nm AtlasNova 5mW outputting 2mW
8X BH08LS20 diode in MX host 420mW with DFW lens thanks FPyro!!
SF-AW210 in jayrob pocket mini, flex drive 177mA~230mW with G1 glass
5mW ebaser with star cap puttin out 34mW
50mW focusable ~Top laser 302
200mW 808nm skylasers pointer-peak 291.2mW
*GAS*
Melles Griot He-Ne Bare Tube w/ mini PSU
JDS UNIPHASE 1508 Novette
Melles Griot Bare Tube HeNe w/ power supply
Cheap surplus Bare Tube HeNe
543nm Bare tube HeNe--Awesome tube!

Andover Holography LPM 1

Last edited by kingdave2357; 05-16-2010 at 10:23 PM. Reason: Oops typo
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Old 05-16-2010, 04:35 PM #2
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Default Re: HeNe Tube voltage Info? (pics)

1200V should do it. You should be able to use the 1200V-1600V one you have coming. You may have to increase the resistance, but probably not.

Peace,
dave
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Old 05-16-2010, 07:51 PM #3
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Default Re: HeNe Tube voltage Info? (pics)

Quote:
Originally Posted by daguin View Post
1200V should do it. You should be able to use the 1200V-1600V one you have coming. You may have to increase the resistance, but probably not.

Peace,
dave

He'll need to rectify and filter it too, as he specified 1200-1600VAC not VDC.
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Old 05-16-2010, 10:22 PM #4
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Default Re: HeNe Tube voltage Info? (pics)

Quote:
Originally Posted by diachi View Post
He'll need to rectify and filter it too, as he specified 1200-1600VAC not VDC.
Oops, typo, sorry about that guys. It is AC input, DC out, here are the specs from the power supply:
Power supply model: Melles Griot 05-LPM-959-04
Voltage in: 115vac or 230vac
Voltage out: 1200-1600vdc max

Thank you Daguin for the advice. Thats what I was hoping, so I dont have to go hunting for another power supply.
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20mW rated 473nm PGL III-C outputing 55+mW and peaked at 96mWthanks Glenn!!
80mW rated 589nm PGL III-C
300mW rated 532nm PGL-III-C---Peak---450mW!!!

250mW labby from ebay---peaks near 300mW!


125mW viper DL-peak 188mW
50mW focusable ~Top laser 301-peak 44.12mW
Several modded pens 10 -30mW
*DIODE*
445nm diode pocket mini build, 700mA ~ 600mW---
445nm diode in 18650 kit---1.1A---1W

16X LCC chrome pckt mini, flex 500mA, outputting 303.2mW with G1
LOC with RKCSTR-- 434mA thanks FPyro-peak 305.1mW with G1
130mW 3.8mm diode pointer from moh-peak 140mW
635nm AtlasNova 5mW outputting 2mW
8X BH08LS20 diode in MX host 420mW with DFW lens thanks FPyro!!
SF-AW210 in jayrob pocket mini, flex drive 177mA~230mW with G1 glass
5mW ebaser with star cap puttin out 34mW
50mW focusable ~Top laser 302
200mW 808nm skylasers pointer-peak 291.2mW
*GAS*
Melles Griot He-Ne Bare Tube w/ mini PSU
JDS UNIPHASE 1508 Novette
Melles Griot Bare Tube HeNe w/ power supply
Cheap surplus Bare Tube HeNe
543nm Bare tube HeNe--Awesome tube!

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Old 05-17-2010, 02:55 PM #5
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Default Re: HeNe Tube voltage Info? (pics)

You will need a 75K to 125K ballast resistor abd 1100V or so to run your laser tube. Yes this 05-LPM-959-04 is the correct power source.
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Old 05-18-2010, 12:38 AM #6
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Default Re: HeNe Tube voltage Info? (pics)

Quote:
Originally Posted by heruursciences View Post
You will need a 75K to 125K ballast resistor abd 1100V or so to run your laser tube. Yes this 05-LPM-959-04 is the correct power source.
Excellent, Thank you
I ordered 2 75K ohm ballast resistors from merideth a few days ago, hopefully I will have it up and running soon

EDIT: 666th post!
__________________
*My Collection*

*DPSS*
20mW rated 473nm PGL III-C outputing 55+mW and peaked at 96mWthanks Glenn!!
80mW rated 589nm PGL III-C
300mW rated 532nm PGL-III-C---Peak---450mW!!!

250mW labby from ebay---peaks near 300mW!


125mW viper DL-peak 188mW
50mW focusable ~Top laser 301-peak 44.12mW
Several modded pens 10 -30mW
*DIODE*
445nm diode pocket mini build, 700mA ~ 600mW---
445nm diode in 18650 kit---1.1A---1W

16X LCC chrome pckt mini, flex 500mA, outputting 303.2mW with G1
LOC with RKCSTR-- 434mA thanks FPyro-peak 305.1mW with G1
130mW 3.8mm diode pointer from moh-peak 140mW
635nm AtlasNova 5mW outputting 2mW
8X BH08LS20 diode in MX host 420mW with DFW lens thanks FPyro!!
SF-AW210 in jayrob pocket mini, flex drive 177mA~230mW with G1 glass
5mW ebaser with star cap puttin out 34mW
50mW focusable ~Top laser 302
200mW 808nm skylasers pointer-peak 291.2mW
*GAS*
Melles Griot He-Ne Bare Tube w/ mini PSU
JDS UNIPHASE 1508 Novette
Melles Griot Bare Tube HeNe w/ power supply
Cheap surplus Bare Tube HeNe
543nm Bare tube HeNe--Awesome tube!

Andover Holography LPM 1
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Old 05-26-2010, 01:27 AM #7
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Default Re: HeNe Tube voltage Info? (pics)

I got this baby up and running today I bought a cool little power supply from meridith to run this tube, the supply runs off 7v-9.5vdc and outputs 1050 to 1450 VDC. I wired it up with a 75k ohm ballast resistor. Using 2 3.7v CR123's it ran smooth for a few min, then started flickering, so I wired up two 18650's and havent had the problem again yet, so I belive I was getting some input voltage sags.

Some neat pics:







Here is the link to the power supply if anyone wants one:Meredith Instruments : 7 to 9.5 VDC Miniature HeNe Power Supply [LPM-827-037] - $39.00 - The source for laser surplus
I plan to use it to make a small portable HeNe lamp that runs of two 18650's
Attached Thumbnails
HeNe Tube voltage Info? (pics)-1274836209812.jpg   HeNe Tube voltage Info? (pics)-1274782114390.jpg   HeNe Tube voltage Info? (pics)-1274782112976.jpg   HeNe Tube voltage Info? (pics)-1274782112667.jpg   HeNe Tube voltage Info? (pics)-1274782111693.jpg  

HeNe Tube voltage Info? (pics)-1274782109709.jpg  
__________________
*My Collection*

*DPSS*
20mW rated 473nm PGL III-C outputing 55+mW and peaked at 96mWthanks Glenn!!
80mW rated 589nm PGL III-C
300mW rated 532nm PGL-III-C---Peak---450mW!!!

250mW labby from ebay---peaks near 300mW!


125mW viper DL-peak 188mW
50mW focusable ~Top laser 301-peak 44.12mW
Several modded pens 10 -30mW
*DIODE*
445nm diode pocket mini build, 700mA ~ 600mW---
445nm diode in 18650 kit---1.1A---1W

16X LCC chrome pckt mini, flex 500mA, outputting 303.2mW with G1
LOC with RKCSTR-- 434mA thanks FPyro-peak 305.1mW with G1
130mW 3.8mm diode pointer from moh-peak 140mW
635nm AtlasNova 5mW outputting 2mW
8X BH08LS20 diode in MX host 420mW with DFW lens thanks FPyro!!
SF-AW210 in jayrob pocket mini, flex drive 177mA~230mW with G1 glass
5mW ebaser with star cap puttin out 34mW
50mW focusable ~Top laser 302
200mW 808nm skylasers pointer-peak 291.2mW
*GAS*
Melles Griot He-Ne Bare Tube w/ mini PSU
JDS UNIPHASE 1508 Novette
Melles Griot Bare Tube HeNe w/ power supply
Cheap surplus Bare Tube HeNe
543nm Bare tube HeNe--Awesome tube!

Andover Holography LPM 1
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Old 05-26-2010, 01:48 AM #8
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Default Re: HeNe Tube voltage Info? (pics)

SWEET!

Keep us up to speed with your development of the build

Peace,
dave
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