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After purchasing 2 lasers from Sanwu last year, I was determined to make my own laser build. Well, since the laser is self-contained in the module (and it came with the driver already), the build was more about the host than the laser itself. The laser module came from lasence. I will call...

Looking at Sharp's catalog, I noticed that other than the usual TO-can diodes they also offer some oddball diodes packaged in so-called "t1.8mm frame". Turns out these are Multiple Quantum Well diodes that don't sell for much (not much power either). I'm kind of surprised nobody mentioned them...

This is a review of Lasence's 559nm 20mW DPSS module. As I don't have an LPM and spectrometer, this review will focus on my experience as a customer of Lasence. Also, this review is not sponsored in any kind by Lasence. The Wait I purchased the module on Alibaba on May 12th, shipped via FedEx...

I visited Lasence on alibaba today and found that their 575nm lineup just got a significant price drop (was $270-ish before), and now they have even cheaper 561nm options (woah!) ▬570nm or ▬575nm 20mW CW? $200 ▬570nm or ▬575nm 10mW CW $100 ▬561nm 20mW CW $85 ▬561nm 15mW CW $70 ▬561nm 10mW CW...

I recently got a quotation from a Chinese manufacturer for 10mW 589nm pointers. They have no minimum order but the price significantly decreases in a larger order. Maybe some members would be interested to get more powerful 589nm than what most sellers have (<5mW). Laser specs: Wavelength...

I've been wanting to make labels for my sanwu lasers using @Trevor 's excellent laser label generator. It's quick & easy, costs almost nothing, and should be strong enough to last for a while. First, print the label. I printed it just shy of 2 inches long, large enough to be noticeable. Fold...

This is a review of Sanwu Challenger II 465nm/2W (will be updated in the near future) The Wait I placed my order on November 11 with Fedex/DHL shipping option ($40). The laser was shipped on December 8 and arrived on December 11. Since I wanted to have a tritium slot on the on/off button, I...

I really like Sanwu's hosts and worksmanship, so will be getting a Challenger II alongside a several Pocket lasers. Since the USD exchange rate got better recently in Taiwan, I figured this is a good time to pull the trigger. However I have a really hard time deciding which option to get. I'm...

There are many diodes in the 635-638nm range, and in the datasheet of some (e.g. Mitsubishi ML501P73) it is mentioned that they can get as low as 632nm. Has anybody tried to select those low wavelength reds (as orange as possible)? How different (in color and apparent brightness) it would be...

This is the first laser I buy since that notorious green-303 10 years ago, laser technology surely has advanced much... Order, Processing and Shipping Ordered exactly one month ago on 2020/09/14 using the cheapest ($10) shipping. After 3 weeks of nothingness I contacted Francis whether...

Hello, I am currently studying in Taiwan! I bought a couple of green lasers almost a decade ago in Indonesia (including the infamous 303 greenie) during junior high school. It surprises me that so many colors have popped up within less than 10 years! I really want either the 488nm or 592nm...