Old 03-19-2017, 09:51 AM #145
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Default Re: Videos from youtube you wish to share.

Interesting photon entanglement video, just the basics of a technique using non-linear crystals to make them:



Interesting; observation reduces entropy:



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Sincerely investigate any of these three short quotes as new concepts and you've taken your first step into a larger world:

"I regard consciousness as fundamental. I regard matter as derivative from consciousness..." - Max Planck. "Everything we call real is made of things that cannot be regarded as real" - Neils Bohr. "What we call physical things and events do not exist independently of subjective experience..." - Deepak Chopra.

Each of these three rabbit holes go deep, ending up in the same place.

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Last edited by Alaskan; 03-19-2017 at 01:27 PM.
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Old 03-19-2017, 07:54 PM #146
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Default Re: Videos from youtube you wish to share.

Thanks for sharing Alaskan. This is something I need to watch for my work.
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Old 03-20-2017, 11:29 AM #147
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Default Re: Videos from youtube you wish to share.

First time I've come across that idea, interesting... I will be pondering upon this for some time to to come.

Found another interesting video, I guess this means I'm still a kid after all, and and old man.

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Sincerely investigate any of these three short quotes as new concepts and you've taken your first step into a larger world:

"I regard consciousness as fundamental. I regard matter as derivative from consciousness..." - Max Planck. "Everything we call real is made of things that cannot be regarded as real" - Neils Bohr. "What we call physical things and events do not exist independently of subjective experience..." - Deepak Chopra.

Each of these three rabbit holes go deep, ending up in the same place.

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Old 03-20-2017, 05:37 PM #148
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Default Re: Videos from youtube you wish to share.

New toy

https://www.youtube.com/watch?v=ZzkEZHuW4dE



Nice little DPSS YAG



These are based on what is in the Operation Manual for the 221-1064-VO1 and 221-1064-VO2, and the Operation Manual for the 221-1064-VO4. They may not apply exactly to other versions. The laser I tested was actually a 221-1064-VO4.

Performance

Laser gain medium: Nd:YAG.
Wavelength: 1,064 nm.
Operational modes: CW, internal and external modulation.
Modulation contrast ratio: 5:1 (VO1), 100:1 (VO2). 4:1 (V04).
Modulation switching time: less than 11 nm, rise or fall (10 to 90 percent).
CW power: 10 watts (VO1), 7.5 W (VO2), 6 to 10 W (V04).
Closed loop power stability (VO4): 2% in 10 minutes.
Amplitude noise (VO1 and VO2): Less then 1% rms (2 seconds to 8 hours), less than 0.3% rms (0.5 Hz to 300 MHz); (VO4): Less than 1% rms (10 Hz to 3 MHz).
Warmup (cold start-AC on): 25 minutes.
Warmup (warm start-standby): 2 minutes.
Beam parameters

Beam diameter: 2.15 +/- 0.05 mm at 20 cm in front of laser.
Beam divergence: Less than 2 mR.
Beam waist location: +/- 30 cm from a point 20 cm in front of laser.
Beam pointing accuracy: Cone angle from normal of 0 to 4 minutes of arc
Polarization ratio: 100:1 vertical within +/-2 deg.
Confocal parameter (VO1 and VO2): Less than 1.2 times diffraction limited; (VO4): Less than 1.18.
Ellipticity: Less than 12% (VO1 and VO4) or 15% (VO2).
Astigmatism (VO4): Less than 15% of 2ZR.
Beam static alignment angle: +/- 0.4 mR.
Beam static alignment position: +/- 0.89 um.
Laser head

Size: 5.5" x 3.4" x 18.5".
Weight: 9 kg.
Power unit

Power input: 90 to 285 VAC, 50 or 60 Hz, 300 W max.
Size: 19" x 3.5" rack mount.
Weight: 3.5 kg.
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Sincerely investigate any of these three short quotes as new concepts and you've taken your first step into a larger world:

"I regard consciousness as fundamental. I regard matter as derivative from consciousness..." - Max Planck. "Everything we call real is made of things that cannot be regarded as real" - Neils Bohr. "What we call physical things and events do not exist independently of subjective experience..." - Deepak Chopra.

Each of these three rabbit holes go deep, ending up in the same place.

Useless troll fighting.

Last edited by Alaskan; 03-20-2017 at 07:16 PM.
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Old 03-21-2017, 07:32 AM #149
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Default Re: Videos from youtube you wish to share.

First Laser:

https://www.youtube.com/watch?v=Ulg_SP7HDXw

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Sincerely investigate any of these three short quotes as new concepts and you've taken your first step into a larger world:

"I regard consciousness as fundamental. I regard matter as derivative from consciousness..." - Max Planck. "Everything we call real is made of things that cannot be regarded as real" - Neils Bohr. "What we call physical things and events do not exist independently of subjective experience..." - Deepak Chopra.

Each of these three rabbit holes go deep, ending up in the same place.

Useless troll fighting.
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Old 03-21-2017, 09:58 PM #150
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Default Re: Videos from youtube you wish to share.

Everyone here should watch this Waves: Light, Sound, and the nature of Reality !

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Old 04-06-2017, 04:33 PM #151
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Default Re: Videos from youtube you wish to share.

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Old 04-06-2017, 05:01 PM #152
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Default Re: Videos from youtube you wish to share.

I always watch the "Kurzgesagt – In a Nutshell" videos the day they have a new one !

This is a good one !

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My very short laser collection (for now)

Thor "Saber" Americanised Thor M II - DTR M462 2.2 Watt 462mn Diode W/Super X-Drive @ 1.8 Amps - DTR G-2 lens - JL 10X Beam Expander Class IV

"Thor's Hammer" Americanised TLY-L201 Host Build W/Old School NASA Type Safety Switch - DTR NUBM44 6.8 Watts at 4.5 Amps 450nm Diode In 25mm Copper Module W/Driver - DTR G-2 lens - OPT Laser 6X/3X Cylindrical Three Lens Fast Axis Correction W/Focusable Convex Lens Class IV

303 Prome Star Series Green Laser 532nm 80mW DPSS Class IIIb

Last edited by Accutronitis; 04-06-2017 at 05:03 PM.
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Old 04-06-2017, 06:14 PM #153
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Default Re: Videos from youtube you wish to share.

Oh ya, I like this video. Way cooler towards the end where you can see the pictures of an electron as a wave:

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To shorten my signature I have moved most of my laser related web links to this forum page, the second post in that thread shows most of my builds... Alaskan's Laser Links: http://laserpointerforums.com/f44/al...ml#post1449395


Sincerely investigate any of these three short quotes as new concepts and you've taken your first step into a larger world:

"I regard consciousness as fundamental. I regard matter as derivative from consciousness..." - Max Planck. "Everything we call real is made of things that cannot be regarded as real" - Neils Bohr. "What we call physical things and events do not exist independently of subjective experience..." - Deepak Chopra.

Each of these three rabbit holes go deep, ending up in the same place.

Useless troll fighting.
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Old 04-06-2017, 08:35 PM #154
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Default Re: Videos from youtube you wish to share.

Time for some meaningless destructive entertainment
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Old 04-08-2017, 09:35 PM #155
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Default Re: Videos from youtube you wish to share.

I made this and it took a bit of editing to make it truly seamless !

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My very short laser collection (for now)

Thor "Saber" Americanised Thor M II - DTR M462 2.2 Watt 462mn Diode W/Super X-Drive @ 1.8 Amps - DTR G-2 lens - JL 10X Beam Expander Class IV

"Thor's Hammer" Americanised TLY-L201 Host Build W/Old School NASA Type Safety Switch - DTR NUBM44 6.8 Watts at 4.5 Amps 450nm Diode In 25mm Copper Module W/Driver - DTR G-2 lens - OPT Laser 6X/3X Cylindrical Three Lens Fast Axis Correction W/Focusable Convex Lens Class IV

303 Prome Star Series Green Laser 532nm 80mW DPSS Class IIIb
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Old 04-08-2017, 09:58 PM #156
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Default Re: Videos from youtube you wish to share.

LASER SHOTGUN ROUNDS! Yes, that means lasers fired out of a shotgun.

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Old 04-15-2017, 10:30 AM #157
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Default Re: Videos from youtube you wish to share.

Simulation theory:

I really liked this one, have to watch the whole thing to see why:

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To shorten my signature I have moved most of my laser related web links to this forum page, the second post in that thread shows most of my builds... Alaskan's Laser Links: http://laserpointerforums.com/f44/al...ml#post1449395


Sincerely investigate any of these three short quotes as new concepts and you've taken your first step into a larger world:

"I regard consciousness as fundamental. I regard matter as derivative from consciousness..." - Max Planck. "Everything we call real is made of things that cannot be regarded as real" - Neils Bohr. "What we call physical things and events do not exist independently of subjective experience..." - Deepak Chopra.

Each of these three rabbit holes go deep, ending up in the same place.

Useless troll fighting.

Last edited by Alaskan; 04-15-2017 at 04:26 PM. Reason: Deleted 2nd video, too silly
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Old 04-15-2017, 09:51 PM #158
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Default Re: Videos from youtube you wish to share.

I've been trying to understand quantum electrodynamics as a project over the past several years. I don't have YouTube videos to show as all my information comes from text books that I've been reading. A couple I have found that have helped me make sense of the math are "Introduction To Modern Optics" by Grant R. Fowles and "Quantum Electrodynamics" by Greiner and Reinhardt. There is another book that I don't have that has gotten some good reviews called "Optics For Dummies", but I am more interested in the equations than metaphoric explanations, so I don't really know much about that book.
I've found in my studies that Maxwell's theory treats the propagation of light, whereas quantum theory describes the interaction of light and matter, or the absorption and emission of light. But, electromagnetic theory and quantum theory also explain many other physical phenomena in addition to those related to electromagnetic radiation, but can only really be understood in the mathematical framework that describes these experimental observations. I get Maxwell's equations from my years in school, but the equations that come out of quantum electrodynamics are very involved and has been the reason for my ongoing struggle, as I like to call it.
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Last edited by paul1598419; 04-15-2017 at 09:53 PM.
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Old 04-16-2017, 02:36 AM #159
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Default Re: Videos from youtube you wish to share.

My understanding of quantum is so basic I better not claim to understand much, I mainly am interested in how electrons are probability waves until their 'wave function' collapse. Manly, my focus is upon the double slit experiment and its results, especially the delayed choice double slit experiment. The results are magic to me, don't make sense in classical Newtonian physics, blows my mind. The implications are that consciousness is primary, matter secondary. That experiment has been done with large molecules too and the same results, amazing.

Largest Molecules Yet Behave Like Waves in Quantum Double-Slit Experiment

My last YT video was put together tongue and cheek, I think that was published on April 1st, but the information they toss around are some of the views people really have regarding simulation theory.
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Sincerely investigate any of these three short quotes as new concepts and you've taken your first step into a larger world:

"I regard consciousness as fundamental. I regard matter as derivative from consciousness..." - Max Planck. "Everything we call real is made of things that cannot be regarded as real" - Neils Bohr. "What we call physical things and events do not exist independently of subjective experience..." - Deepak Chopra.

Each of these three rabbit holes go deep, ending up in the same place.

Useless troll fighting.
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Old 04-16-2017, 04:51 AM #160
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Default Re: Videos from youtube you wish to share.

Quote:
Originally Posted by Alaskan View Post
My understanding of quantum is so basic I better not claim to understand much, I mainly am interested in how electrons are probability waves until their 'wave function' collapse. Manly, my focus is upon the double slit experiment and its results, especially the delayed choice double slit experiment. The results are magic to me, don't make sense in classical Newtonian physics, blows my mind. The implications are that consciousness is primary, matter secondary. That experiment has been done with large molecules too and the same results, amazing.

Largest Molecules Yet Behave Like Waves in Quantum Double-Slit Experiment

My last YT video was put together tongue and cheek, I think that was published on April 1st, but the information they toss around are some of the views people really have regarding simulation theory.
The experiment you are talking about was the one done by Thomas Young in 1801. Actually quantum electrodynamics shows that all particles, no matter what their size, have wave and particle duality. Further, it shows that the smaller the particle the more wave-like properties it exhibits and the larger the more particle-like properties it exhibits. But, regardless of its size (canon ball), all particles have this duality.
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488nm Uniphase #2201-20SLAT argon laser head and power supply >40mW
LSR532H-1W Laser, LSR-PS-N1 Driver, RS-75-5 P.S. 1300 mW
532nm 200mW thermostatically Fan Cooled (Besram) >230mW
532nm 189mW pocket lab laser
532nm lasers X6 100mW-200mW
532nm lasers X4 75mW- 140mW
632.8nm P210 New Laser Tube 0.57mW Melles Griot 05-LMP-827-037 PSU New
632.8nm Spectra- Physics He- Ne #102-2 4mW heads X2 and #236 power supply
632.8nm PMS He-Ne # 201P/ LPS-115 2mW
632.8nm Siemens HeNe LGK7630S 7.6mW
635nm 1 watt Cyprus II
635nm 1 watt SMP Copper host
635nm 5mW pointer
635nm 100mW pointer
650nm 65mW pointer
650nm 380mW 501B
808nm 1+W infrared laser
infrared video camera for collimating IR lasers
Ocean Optics USB2000 Spectrometer
Scientech Vector S310 with AC2500 10 Watt LPM
LaserBee II 3.2 Watt LPM
Radiant X4 3.7 Watt LPM
Eisco Scientific Spectroscope 400nm- 700nm
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