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I don't think there's much of a difference besides that. I like the 26650 batteries because they last forever, even with a laser approaching 3W but newer 18650's are approaching the capacities of the larger diameter 26650. If I had to make this purchase again, I'd go single mode as well but...

Thanks Sta! I don't have a scale that can take anything over 220 grams, but it says that the Spiker weighs 370 grams on the website. With the beam expander at 30 grams, and the two batteries at 180 grams, the total weight is 580 grams or about 1.3 pounds. It's definitely a lot heavier than my...

I once again have to thank the staff at the Texas Petawatt Laser Facility for working after hours to help me meter all three of my portable lasers, the Sanwu Spiker being the last one that I'll be reviewing until I purchase something new :san: I had a lot of concerns before buying this because...

They told me the new hosts would be ready on Sept. 30 just a couple weeks ago, but I keep checking back and don't see anything new. I really don't know at this point when they'll be ready.

Thanks guys, I'm really happy with this purchase and will probably get something else from them in the future. I look forward to your review Sta. I tried to take pictures of the focused beam but I don't have a good camera. This is about the best I could do, though it looks a lot thinner in person.

This is the second of three reviews that I'm doing after I had the opportunity to meter my lasers at the Texas Petawatt Laser Facility. I've included measurements of power and divergence, plenty of pictures, and even a video of mode hopping. The risk of confiscation at customs made me decide...

This Optotronics pen was the first laser I purchased aside from the cheap red Walmart lasers for playing with cats (as a point of interest, Walmart is now selling high power portable units from Laser Glow). I wanted something that was made in the US, on spec for output, and IR filtered. I'm very...

It's interesting that you mention the alignment, because it is off a good quarter turn. I believe it was aligned when I first got it, but after gluing the ring back the button and clip don't line up. You just saved the plastic lens of my laser pointer, +rep! I should have known better since...

It was jumping around quite a lot in the 40-50 range, peaking at 60mW and settling somewhere in the 50mW range. This was the last laser we tested at the Petawatt facility, and we metered it for only 1 minute. About 20 seconds for the meter to stabilize, then the rest of the time taking...

I wanted to write a review for awhile, but I decided to hold off until I had access to a LPM. That opportunity came this weekend at the Texas Petawatt Laser Facility where I got to meter my 3 portable lasers. This review of the Optotronics Premium +10mW green laser is my first review on this...

I took video as an afterthought, thinking that some people would have liked to hear the noise and see the flashes. Fortunately, my office is 500 feet away from the facility and I'll probably have a chance to go back there some time. If I do, I'll definitely remember to take a long video from the...

I was expecting them to refer me to photos and videos online, but they had no problem with me taking my own. I posted a very short video, which you can see at the very bottom of my first post now. I was running a little low on battery at the time and wanted to save the rest for pictures of the...

They all seem like nice people to work with. One of the research scientists in the control room gave me a warm greeting as soon as I entered, the grad students were curious about my lasers because they weren't used to seeing CW, and the person helping me was casual and down to Earth. "That's the...

After experiencing some trouble in finding someone to meter a few of the lasers I bought, I decided to try something crazy and reach out to the people at the Texas Petawatt Laser Facility, home of the most powerful laser in the world until just recently. Its peak power is a massive 1 Petawatt...

Re: XPL discussion - "the miracle company" He just told me that the new hosts will be ready by the 30th of this month.

Re: XPL discussion - "the miracle company" Three days until XPL is able to get the new hosts for their > 500 mW greens. We may see some changes to their product list in a week or so.

Will do, thanks for the advice! Also, I'm planning to test the power of my three lasers at the Petawatt Laser Facility, so I might have some cool photos to add to my upcoming reviews.

I just looked at my text message again and sure enough that number at the very top was the tracking number! I thought it was just a message number or something else, and I barely even glanced at it. Tracking works just fine, and I'm excited to get it this Friday. It requires a signature though...

I placed my order with LaserBTB on September 1, and 5 days later I'm still seeing "3-4 days production" with none of the buttons highlighted. I'll give them until Thursday before I write an e-mail, since I did order right before the weekend after all. It's nice to have someone going through the...

Thanks for the responses everyone. I agree that the PL host looks better and I love the extra weight, but it's unfortunate that the 300mW version is a big just in price over the 200mW version at $225. I won't buy for a week or so, and will check back to see if anyone else has an opinion, but...