Old 01-27-2015, 04:23 PM #1
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Default FS: Custom 2x14500 Hosts, Skinny Body. LOOK!

ALL SOLDFor sale is 5 custom hosts 8" long 7/8" Dia, head area, 5/8" handle. Hosts holds 2x 14500 batteries and a full size aixiz module or dtr module. These hosts are pre wired with a neg and pos wire and a positive contact point. You can build these into a laser in about 10 min. The front is a focus ring, clicky switch in back.

49.00 each, free shipping
International shipping please pm me. Thanks

Each host is a little different so please refer to them as 1-5 from left to right in the first picture.

#1SOLD
#2SOLD
#3 SOLD
#4SOLD
#5SOLD










Last edited by Ehgemus; 03-13-2015 at 10:21 PM.
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Old 01-30-2015, 09:55 PM #2
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Default Re: FS: Custom 2x14500 Hosts, Skinny Body. LOOK!

Priced lowered^^^
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Old 01-30-2015, 11:31 PM #3
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Default Re: FS: Custom 2x14500 Hosts, Skinny Body. LOOK!

Love your stuff. Good luck.
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Old 01-31-2015, 12:46 AM #4
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Default Re: FS: Custom 2x14500 Hosts, Skinny Body. LOOK!

#3 for me please

EDIT:

My Mini-Laser Host Review:

(A regular review with its own thread will come later when I have photographs showing the host in operation).

I bought one, very nice. Made uber slender with the 14500 battery profile (ID for the batteries inside is the same size as 2 X AA in series). I have used a single mode blue 445nm diode in mine, relatively low power of 200mw for blue, but a great little host. I bought 14500 batteries on ebay for it for under 3 dollars each but still waiting for them to arrive. The unit has a black and red wire inside to hook up to a DTR 12mm diameter Aixiz module, red goes to the spring near the laser diode end of the tube. If hooking the red wire to the laser diode module's positive lead the batteries go in like a normal flashlight but it appears you can wire it either way, case negative or positive if you wish, depending upon the configuration of your laser diode. The head with its matching threaded cap allows you to vary the focus of the beam using a Aixiz G2 type of threaded M9x0.5 lens holder (which you can get with a DTR module, or 3 element M9x0.5 lens assembly for lower divergence).

Due to the small size and lower capacity batteries this unit uses, this host is better suited to lower powered laser diodes and to get the most bang for your milliwatts, 520nm green is the color to use due to the heightened sensitivity of our eyes to green compared to blue or red, milliwatt for milliwatt the beam of a 520nm green laser is viewed to be close to 10 times brighter than 445nm blue or 638nm red and the spot intensity near double that at near 20X. With the two 14500 batteries in series (for up to 8 volts when freshly charged) you can use a 120mw 520nm green laser diode in a *Aixiz module with plenty of battery capacity which will have a brighter beam than a 1 watt blue or red laser with a longer visible throw than the other colors, to borrow a flashlight term, especially when using a 3 element lens which has higher loss than a single element G2 lens, but will produce far more concentrated light at a distance due to the physics of divergence.

When I received this host, even after viewing the photographs in this thread, I was surprised how small it really is. The price might seem high for a little host, but I wouldn't want to spend the amount of time it takes to make one of these for less than 50 dollars myself, in fact, for that price I wouldn't even do it unless retired and doing this for the love of the work.

*Use a constant current regulator inside the DTR or Aixiz module for this host, there is no room for one to be placed elsewhere in the unit.

Note: I believe this host could be used with much higher power output laser diode modules, but the user must be very mindful of the duty cycle, or how long the laser operates due to how fast the diode can warm up and possibly overheat if such care isn't taken. Since the head and body of the laser are cut from one solid piece of aluminum without joints, the body of the host will also radiate heat away from the diode, because of this there is more area to dissipate heat than some larger hosts which are made from more than one piece.

DTR 120mw 520nm modules: https://sites.google.com/site/dtrlpf...s/osram-plp520

Datasheet for 120mw 520nm LD: https://drive.google.com/file/d/0B_6...Qkk/edit?pli=1

Don't let it's small size fool you, awesome things can be done with such a small host!

MAKE THIS LITTLE HOST UBER AWESOME: I'm trying to sell the idea of using single-mode laser diodes with three element lenses because too few seem to understand that at a distance they can outperform the higher power laser pointers which use multi-mode diodes and a lower loss G2 lens because their lower divergence allows them to catch up and overtake the spot producing brilliance of some lasers which are ten times more powerful, so here's the soap box rant:

Build this host with as high a power single-mode 520nm laser diode you can find with a 3 element lens and you will be able to shoot a beam with a tighter spot with more intensity at a distance than some of the 1+ watt green multi-mode diode lasers which cost hundreds of dollars more. The reason for this is that single-mode diodes produce less divergence than the higher power multi-mode diodes and when paired with a three element lens, which further reduces the divergence, deliver more light in a tighter spot at a greater distance than the high power multi-mode diodes can.

Add a 20X beam expander on the end and you can push a tighter beam even further with a brighter terminus spot than any of the high power laser pointers without such a combination to produce a spot twenty times smaller in diameter at a given distance (of over a quarter mile away) than any of the lasers without expanders can do, low divergence diodes or lenses not withstanding. Adding a beam expander to a laser which already has low divergence due to using a single-mode diode and three element lens brings you to a whole new level of performance as expanding the beam further reduces the divergence beyond what a multi-mode diode laser pointer could do, even if they added the same beam expander.

As of this writing, spending over an hour adding more information, I've just convinced myself to swap out my 200mw 445nm blue laser diode already installed in the host to a 50mw rated 520nm green single-mode diode for about 80mw out (they can safely be pushed harder to about that). Here's the single mode DTR moduled 520nm diode I will use for it (already have): https://sites.google.com/site/dtrlpf...nm-laser-diode
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Attention new brothers of the collimated light!

Newbie advice: Please take the time to first make an introduction in the Welcome section before posting questions.


Divergence to spot size calc: - 1 mRad is about .057 degrees which expands to be very roughly ~10% the diameter of the moon or sun at their distances.

Divergence Calculator: pseudonomen137's JScript mRad Calculator - Measure your lasers beam dia. at 1 foot & then 20'.

Online calc. to determine spot intensity at different mRad's & powers: http://tinyurl.com/divergence-calculator

Laser Power Density Calculator: Laser Power Density Calculator - Ophir

Build a beam expander to reduce divergence: http://tinyurl.com/BeamExpander

University YAG Project The Professor's Homebuilt Lasers Site - YAG Lasers

YAG Power Calc. Laser Peak Power Calculator - Ophir

Angular Size Calculator; use with diode angle of radiation spec. for lens dia. at FL: Angular Size Calculator

RHD's Calc: http://lsrtools.1apps.com/RelativeBr...&useRaleigh=on

High Current Pulse Drivers: https://tinyurl.com/ya7whuk3

Last edited by Alaskan; 02-08-2015 at 12:46 AM.
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Old 01-31-2015, 01:30 AM #5
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Default Re: FS: Custom 2x14500 Hosts, Skinny Body. LOOK!

Sending pm ^^
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Old 01-31-2015, 01:39 AM #6
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Default Re: FS: Custom 2x14500 Hosts, Skinny Body. LOOK!

So I could just screw a dtr module in as long as it's the right voltage diode and it will work? Nothing else needed?
Is it possible to buy them outside of LPF, for example via email, or do you have a google shop?
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Old 01-31-2015, 01:50 AM #7
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Default Re: FS: Custom 2x14500 Hosts, Skinny Body. LOOK!

Quote:
Originally Posted by USAbro View Post
So I could just screw a dtr module in as long as it's the right voltage diode and it will work? Nothing else needed?
Is it possible to buy them outside of LPF, for example via email, or do you have a google shop?
All you do is send a payment to my paypal account. I could also send you an invoice if you like.
As far as building it, these hosts hold two 14500 batteries so any module at his site that requires two cells or 8 volts will work in this host.
Building it is nothing more than hooking two wires together.

Last edited by Ehgemus; 02-01-2015 at 08:12 PM.
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Old 02-01-2015, 11:32 PM #8
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Default Re: FS: Custom 2x14500 Hosts, Skinny Body. LOOK!

Bump^^
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Old 02-03-2015, 10:43 PM #9
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Default Re: FS: Custom 2x14500 Hosts, Skinny Body. LOOK!

Priced lowered ^^^
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Old 02-06-2015, 03:35 PM #10
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Default Re: FS: Custom 2x14500 Hosts, Skinny Body. LOOK!

Bump^^^
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Old 02-06-2015, 05:20 PM #11
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Default Re: FS: Custom 2x14500 Hosts, Skinny Body. LOOK!

Nice! Now that I have received it, I edited in a mini-review to my first post in this thread where I asked to hold one for me. I gave suggestions regarding the use of single-mode diodes, a three element lens and a beam expander with it for uber long distance low divergence use which can beat the pants off of a much higher power laser diode build without such considerations.
__________________

Attention new brothers of the collimated light!

Newbie advice: Please take the time to first make an introduction in the Welcome section before posting questions.


Divergence to spot size calc: - 1 mRad is about .057 degrees which expands to be very roughly ~10% the diameter of the moon or sun at their distances.

Divergence Calculator: pseudonomen137's JScript mRad Calculator - Measure your lasers beam dia. at 1 foot & then 20'.

Online calc. to determine spot intensity at different mRad's & powers: http://tinyurl.com/divergence-calculator

Laser Power Density Calculator: Laser Power Density Calculator - Ophir

Build a beam expander to reduce divergence: http://tinyurl.com/BeamExpander

University YAG Project The Professor's Homebuilt Lasers Site - YAG Lasers

YAG Power Calc. Laser Peak Power Calculator - Ophir

Angular Size Calculator; use with diode angle of radiation spec. for lens dia. at FL: Angular Size Calculator

RHD's Calc: http://lsrtools.1apps.com/RelativeBr...&useRaleigh=on

High Current Pulse Drivers: https://tinyurl.com/ya7whuk3

Last edited by Alaskan; 02-07-2015 at 07:59 PM. Reason: I can never leave the text alone, always adding or refining.
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Old 02-06-2015, 05:46 PM #12
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Default Re: FS: Custom 2x14500 Hosts, Skinny Body. LOOK!

Thanks^ glad you like it.
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Old 02-07-2015, 05:38 AM #13
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Default Re: FS: Custom 2x14500 Hosts, Skinny Body. LOOK!

Thank you for offering these cool hosts!
__________________

Attention new brothers of the collimated light!

Newbie advice: Please take the time to first make an introduction in the Welcome section before posting questions.


Divergence to spot size calc: - 1 mRad is about .057 degrees which expands to be very roughly ~10% the diameter of the moon or sun at their distances.

Divergence Calculator: pseudonomen137's JScript mRad Calculator - Measure your lasers beam dia. at 1 foot & then 20'.

Online calc. to determine spot intensity at different mRad's & powers: http://tinyurl.com/divergence-calculator

Laser Power Density Calculator: Laser Power Density Calculator - Ophir

Build a beam expander to reduce divergence: http://tinyurl.com/BeamExpander

University YAG Project The Professor's Homebuilt Lasers Site - YAG Lasers

YAG Power Calc. Laser Peak Power Calculator - Ophir

Angular Size Calculator; use with diode angle of radiation spec. for lens dia. at FL: Angular Size Calculator

RHD's Calc: http://lsrtools.1apps.com/RelativeBr...&useRaleigh=on

High Current Pulse Drivers: https://tinyurl.com/ya7whuk3
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Old 02-11-2015, 03:55 AM #14
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Default Re: FS: Custom 2x14500 Hosts, Skinny Body. LOOK!

Thanks for the review^

Still 4 host for sale
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Old 02-16-2015, 03:05 AM #15
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Default Re: FS: Custom 2x14500 Hosts, Skinny Body. LOOK!

Put a single mode 50mw rated output 520nm laser diode in a DTR module inside without a constant current regulator and the two 14500 batteries are perfect for it, I don't run it beyond warm and so far the diode has not gone into a destructive over-current situation, keeping my fingers crossed, that and without the soft start of a properly designed CC regulator.

I am very pleased with the performance of this single PL520 single mode diode, it's divergence using a simple acrylic lens is great, to the eye just as good as a 532nm laser. The other night was able to see a very nice terminus spot on a cloud base at night which was over 5,000 feet above me, tonight I compared this small 70-80mw output 520nm single mode diode laser with a 1.9 watt multi-mode 455nm and while the much higher power multimode blue laser had a much brighter beam, the 445nm laser could not produce a terminus spot on the cloud base while the lower divergence 520nm far lower power laser could. The green spot was faint with the cloud deck 10,000 feet above me tonight, but clearly there while the blue produced nothing, it had spread out too much to do so at that distance.

While I don't recommend running any laser diode without a current regulator, it's working for me, perhaps shortening the life of the diode, we will see. The diode without a regulated output and freshly charged batteries is putting out close to 80mw when using a three element lens.

I put everything I've learned about this subject as well as a review for the host itself in the reviews section of the forum.
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Attention new brothers of the collimated light!

Newbie advice: Please take the time to first make an introduction in the Welcome section before posting questions.


Divergence to spot size calc: - 1 mRad is about .057 degrees which expands to be very roughly ~10% the diameter of the moon or sun at their distances.

Divergence Calculator: pseudonomen137's JScript mRad Calculator - Measure your lasers beam dia. at 1 foot & then 20'.

Online calc. to determine spot intensity at different mRad's & powers: http://tinyurl.com/divergence-calculator

Laser Power Density Calculator: Laser Power Density Calculator - Ophir

Build a beam expander to reduce divergence: http://tinyurl.com/BeamExpander

University YAG Project The Professor's Homebuilt Lasers Site - YAG Lasers

YAG Power Calc. Laser Peak Power Calculator - Ophir

Angular Size Calculator; use with diode angle of radiation spec. for lens dia. at FL: Angular Size Calculator

RHD's Calc: http://lsrtools.1apps.com/RelativeBr...&useRaleigh=on

High Current Pulse Drivers: https://tinyurl.com/ya7whuk3

Last edited by Alaskan; 02-16-2015 at 04:49 AM.
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Old 02-17-2015, 03:32 AM #16
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Default Re: FS: Custom 2x14500 Hosts, Skinny Body. LOOK!

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