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Hello, as you know, the large hollow mirror serves to project the spectrum onto the plane of the sensor. Depending on the setting of the image plane, more or less exactly on the sensor surface, the resolution of the separately representable spectral lines also changes. That also means that the...

I do not want to jostle now, but .... did you measure the density?

I did not think that someday, in addition to the rubber duck collection, the laser collective madness would take me over ... but you've got me so far ... This is worth some rep .... later than .... i am not allowed to do it now ....

I would estimate the focus to about 0.1 mm, but must move the object of the investigation out of this focus because of the laser beam divergence , so that the rear beam path is as parallel as possible. Only then can I reach the maximum filter performance of the longpass filter.

Hi, i think it could be about 5 cm = 2 inch ? See pic in the attachment. For the bigger ones above 10 Kg i have the other assembly you can see at the first page and above that (unlimited) .... maybe i will get the part which i called "probe" to run better.

Yes this is a good software, i tried to use it some months ago, but it does not support the b&w-tek (no rs232 ?), becaus i want to play this this device and do not want to buy a new plug and play device, the software may be god for postprocessing for me ...

Hi, the last great device from diber of course ... I could not sit on me like that :evil: So I wanted to introduce my next prototype # 5 of 5. Here I have successfully put together with result. - cheap Bresser Biolam transmitted light microscope - dpss laser 532 nm set to about 300mW (from a...

Me again, very impressiv :worthy: :gj: !!! I have some ideas... But first of all, well, because with your equipment , I can only almost keep up. My "mill, lathe and home-built cnc-mill" see picture in the attachment ... :whistle: Here with this effect, I would say from the pictures that...

WOW..... ! Great job !!!

Hi, have a look at posting nr 299 here . Someboby was selling an array of multiple ocean optics S2000 at ebay ....

Here is an interim report on the already presented device nr 3 of 4, which i called "probe". After another modification, a raman-shift can now be tickled out. But the laser power is still too much scattered within the angle tube adapter, so I have to open the whole part again to see what's...

Here now as desired and promised the description of the featured longpass-filter-holder with collimator and SMA905 connection. Essentially, I designed and built this part to connect a spectroscope to a microscope. Of course, this structure is only an example, as each of you has different...

I had already suspected because of the look of your sample-picture and hang here therefore again a picture of my pattern in bright. Baryte has a relatively high density of 4.5 g / cm3 and is therefore easy to verify.

I have seen something like this with baryt. See attachment.

Hello Civitus, I understand your critical question about the optical composition which implies the very important compliance of different focal lengths and so on. In this case, I solved the problem fairly easily and reliably with a few compromises. I try to describe the beam path only...

Here I would like to introduce the next prototype number 4 with RAMAN shift. used parts: - binocular tube (modified) - microscope-lens - dpss laser 532nm - laboratory power supply for controlling the laser power (here about 200 mW) - long pass filter assembly as already posted - microscope tube...

Again to this part , i would like to have a look in the spectrum form you, maybe you can post such one here? Rename it to *.txt and you can attach it here .

I would NOT use liquid to clean the fiber, considering the capillary action of the fiber bundles, ... you can not get the liquid out!

Kecked, you should read ALL pages here and you will find many answers to you questions. I know, it may be a hard job if it is not your nativ language. I have read it 3 times and still missing some of the details ...:drunk:

Could you please post a picture of what you see ?