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Nice find! I just don't understand why they call it broadband. The frequency comb used has discrete frequencies, so a "zoom" into the spectrum should reveal the "cloaked" object. I assume they would need a true broadband source for a perfect cloak. Singlemode

Yes I have seen the AR coated diodes at this WL. They go for ~ 1.5k$ each. But you also can use the cheap non AR coated diodes at 785nm in an ECDL setup. Singlemode

Re: FS: Sanwu Laser store - R/G/B handhelds x3 BE & Stainless steel "The Spiker" rele 470nm and 465nm are not cyan and not Singlemode at all. Singlemode

Easy for you means always, that somebody else did the work in the first place. As it seems there is no demand for a 10 diode package to go into "mass production". Do it yourself or pay somebody to do it for you. I am sure for some 100$s you will find somebody to wire the diodes together for you...

I don't get why you are so into a multiple package if you want to sweep individually anyway. You allready got the great tip to buy 10 individual diodes. Singlemode

I am only interested in single mode diodes ;) :drool: Singlemode

Hi all, just found this and want to share it with you: https://www.reddit.com/r/MVIS/comments/8rkboa/sharp_increases_green_laser_output_4x_targets_ai/ It is the 520nm diode that was on Sharps website for ages, and marked as "under development". It will output 130mW (this is the spec from the...

That's an awesome host and awesome pictures. Congratulations to your purchase! Singlemode

Happy Father's day to all of you (Fathers, Sons or everyone else). Singlemode

Nice! Look for some beam pics Paul. Singlemode

Congratulations also from me! Singlemode

You won't get anywhere close to 1mW without a resonant doubling bow-tie cavity. You will also need a special fibre (hollow core f.e) for the UV. Singlemode

You can, and there are several demonstrations for lab based systems. But you can't use the multi mode diodes for this. You need a spatial single mode and a narrow linewidth to couple into the doubling crystal. In addition, the uv light will ionize the oxygen on the air it passes (loosing power...

Usually they are for 90 degree, with a angle tunability of 10% of their wavelength (with decreasing steepness of the edge for higher angles. Be aware that there are longpass filters and longpass mirrors. The former have additional filters attached while the latter reflect the shorter wl. Singlemode

Nice one Paul, especially for this price. Thanks for sharing your pictures with us! Singlemode

This is awesome Paul. Such a great wavelength and I am am afraid we won't see it as a direct diode for some time. Can't wait to see your beam shots! Regarding beam improvement: you can try a pinhole to do spatial filtering or even better, an optical single mode fibre. Singlemode

You lose 50% of the pump laser light and 50% of your signal. In addition you will have more straylight. I don't see any real advantages besides this. Singlemode

The wavelength shift for these diodes is 1nm every 20K, so a 5nm shift would need a 100K increase in temperature. Really hot indeed ;) Best Singlemode

Awsome pics Z. Thanks for sharing! Singlemode

Only the film itself was black/white. The light hitting the film was in color and all chromatic errors were the same... Singlemode