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1 Watt blue laser in dense fog

1 Watt blue laser in dense fog


Playing with the Spyder Arctic blue laser in the early morning fog.

File_Oct_16,_19_51_24.jpeg photo_(29).JPG laser.JPG fog.JPG

Light Information

Light Information

Manufacturer:Wicked Lasers
Electrical
Wattage:1

File information

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Download: Download this File
Filename:laser.JPG
Album name:Mustang07 / Misc.
Keywords:Miscellaneous
File Size:55 KB
Date added:Feb 07, 2013
Dimensions:478 x 640 pixels
Displayed:242 times
Date Time:2013:02:07 07:13:14
DateTime Original:2013:02:06 00:31:11
Exposure Time:1/15 sec
FNumber:f 2.8
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Focal length:3.85 mm
ISO:1000
Make:Apple
Model:iPhone 4
Software:Microsoft Windows Photo Viewer 6.1.7600.16385
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URL:https://www.lighting-gallery.net/gallery/displayimage.php?pos=-75924
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xmaslightguy
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zzz


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Feb 07, 2013 at 07:46 PM Author: xmaslightguy
Cool!

Its All For The Christmas Lights...
And A Good Summer Thunderstorm!

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Feb 07, 2013 at 08:42 PM Author: mrboojay
Very Very Cool! That must be seen of miles.

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Jun 11, 2015 at 01:47 PM Author: Solanaceae
Yikes Watch out for airplanes!

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Jun 11, 2015 at 03:20 PM Author: DieselNut
Awesome! Where did you get this?

Preheat Fluorescents forever!
I love diesel engines, rural/farm life and vintage lighting!

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Jun 11, 2015 at 03:41 PM Author: Mustang07
I found this one on Craigslist a few years back, http://www.wickedlasers.com/ is the company that makes them. Seems like I read where you cannot order some models in the US anymore.

"I know what dude I am. I'm the dude playin' the dude, disguised as another dude!"

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Jun 11, 2015 at 03:53 PM Author: streetlight98
Nice! If you get a strong enough one, you can shut off street lights by tricking the photocells lol. I want to get one to try that lol. I've successfully shut the one in front of my house with a 100W halogen spot light and a long extension cord lol. My neighbors probably thought I was trying to pick up alien signals with my "contraption" (a medium base socket mounted to a PVC work box with an extension cord coming out of it).

Please check out my newly-updated website! McCann Lighting Company is where my street light collection is displayed in detail.

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GoL Solanaceae.Keif.Fitz Keif Fitz bubby_keif
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Jun 11, 2015 at 04:49 PM Author: Solanaceae
I used a crap 5mw grew laser and it turns it off fine. The streetlight I've done this to is day burning, so I think I blinded it.

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Jun 12, 2015 at 10:57 AM Author: mrboojay
Lol! Wow, though if you blinded it wouldn't it think it us dark all the time and just stay on? . Now I need to try and turn off our security light.

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Jun 12, 2015 at 11:58 AM Author: streetlight98
No it would be a coincidence that you "blinded" it I think. @ mrboojay; Dayburning is when the light just stays on all the time.

Please check out my newly-updated website! McCann Lighting Company is where my street light collection is displayed in detail.

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Jun 12, 2015 at 12:55 PM Author: mrboojay
Yeah I know what day burning is. I miss read it and I thought he said that it was dayburning and then after the laser it stopped dayburning...my bad.

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Jun 12, 2015 at 02:27 PM Author: Cal
The laser may have damaged the cell causing it to fail in the open position.
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Jun 12, 2015 at 02:30 PM Author: streetlight98
Oh lol. That would be one strong laser to open the circuit inside the photocell. (It would have to melt something inside that opened the circuit lol)

Please check out my newly-updated website! McCann Lighting Company is where my street light collection is displayed in detail.

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Jun 12, 2015 at 07:31 PM Author: Cal
It doesn't have to physically damage it. Zapping the photosensitive part with a vey bright light could damage it and when these cells fail they are designed to be fail safe, in other words failing in the open or on position. Otherwise, whenever a cell went faulty an area would remain unlit after dark, which is especially disastrous in the case of group switching!
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GoL Solanaceae.Keif.Fitz Keif Fitz bubby_keif
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Jun 12, 2015 at 07:39 PM Author: Solanaceae
It thankfully is a single light, I think the photo cell just got damaged.

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Jun 12, 2015 at 07:46 PM Author: streetlight98
When the load is on it's in the closed position. An open circuit doesn't light. When the photocell "sees" light, it spreads the contacts apart and opens the circuit. Photocells are designed with "Contacts normally closed", but they do in fact make special "Fail Off" units, with contacts normally open, so when the PC fails, it does so in the open position with the load off. Even with standard photocells, I've seen a number of standard "Fail On" photocells that have in fact failed in the off position, leaving the lamp off.

For freeway lighting here, they use Fail Off photocells in the contactor relay cabinets so that they don't have around a hundred 250 and 400W lamps running 24/7 and sending the energy bill soaring through the roof. Makes sense to do that on freeways since freeway lighting is an amenity, not a necessity. In a suburb or downtown area, it's more of a necessity due to pedestrian traffic.

Please check out my newly-updated website! McCann Lighting Company is where my street light collection is displayed in detail.

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Jun 12, 2015 at 07:53 PM Author: Solanaceae
I think the cells in my neighborhood are fail on.

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Jun 12, 2015 at 08:17 PM Author: streetlight98
Almost all are. The Fail Off ones are special-order, typically.

Please check out my newly-updated website! McCann Lighting Company is where my street light collection is displayed in detail.

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Sep 15, 2017 at 11:35 PM Author: Lightingguy1994
I noticed some photocells i have will turn off the load instantly upon being exposed to light and the others will take up to a minute in light to shut off the lamp. Why?

I think my street has a mix of these also because during thunderstorms at night, bright lightning flashes cause some streetlights around here shut off and restrike, its always the same fixtures that get interupted

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Sep 16, 2017 at 12:13 AM Author: Lumex120
I have used laser pointers to turn off the light outside my house too. It even can shut off a NEMA in an alley pretty far back.

Any machine is a smoke machine if you operate it wrong enough.

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Sep 16, 2017 at 05:17 AM Author: sol
I find it difficult to use a laser to shut off a street light fitted with a delayed photocell. I cannot hold the beam steadily long enough to trigger it. Instant response photocells are easier to trick like this.
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Sep 16, 2017 at 02:07 PM Author: streetlight98
Electronic PCs almost all have a 2-second delay. Mechanical ones are instant response. thermal ones you gotta wait up to two minutes. Those things are junk anyway.

Most newer LED-rated photocells are "blind" to LED light, meaning lasers will not shut them off if the laser is LED-based. The actual idea behind making the photocells blind to LED light is to eliminate false shut-offs from high ambient light (but it assumes all ambient light sources are LED)

Please check out my newly-updated website! McCann Lighting Company is where my street light collection is displayed in detail.

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Sep 16, 2017 at 06:38 PM Author: Lightingguy1994
Thanks @streetlight98

How do the LED ones know what is LED and what isn't? Unless it uses a wavelength the sun gives but LEDs dont?

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Sep 16, 2017 at 07:27 PM Author: wattMaster

How do the LED ones know what is LED and what isn't? Unless it uses a wavelength the sun gives but LEDs dont?

It could have a filter that blocks blue light, since LED has a lot of it.

SLS! (Stop LED Streetlights!)

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Sep 16, 2017 at 09:37 PM Author: streetlight98
I'm not sure how it works but I have ine made by DTL and the silicon eye is tinted a blackish color. I think wattMaster is right; has something to do with filtering out a certain color/wavelength LEDs out out.

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Jul 15, 2018 at 02:51 PM Author: Beta 5
I think they work on infrared light from the sun, instead of using visible light.
Illuminated road bollards use them, as they have the PC with the lamps and gear in the base unit, so use infrared cells to avoid the lamps switching themselves off.

Thorn Beta 5 35W SOX :lps: Top entry/Side entry :soxltrn:

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Jul 15, 2018 at 04:37 PM Author: streetlight98
Makes sense, as other artificial light sources will activate the "LED blind" photocells. Only thing with using IR instead of visible light is inconsistent turn-on footcandles rating. When the first silicon eye photocontrols came out, they were too sensitive to IR light. So they came out with "IR filtered" silicon eyes that were blind to IR light, to give more accurate turn-on times.

Cadmium Sulfide sensors are the best for mimicking the human eye when it comes to light detection, but cadmium eyes "drift" over time. If you orient the control North, the "drifting" doesn't become much of an issue, but it's rare to find places that actually do that.

Please check out my newly-updated website! McCann Lighting Company is where my street light collection is displayed in detail.

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