UV lines of mercury spectra at a ZnS screen
Physikfan, Fri Feb 09 2018, 03:19PMThe spectra are Hg spectra, photographed from a Canon 10D, with increasing intensity from top to bottom, light source is a Hg high pressure lamp, the entrance slit is imaged with a quartz lens via a reflection grating on a zinc sulfide screen:
Re: UV lines of mercury spectra at a ZnS screen
Plasma, Fri Feb 09 2018, 07:11PM
The Hg lamp is a growing lamp for the vegetable stack, the green growing phase, its mostly blue colour, the uv spectrum is below that, but your getting swamped by the ratio of uv to 420nm,try using a class A uv light from a suppler and then calibration from there
Plasma, Fri Feb 09 2018, 07:11PM
The Hg lamp is a growing lamp for the vegetable stack, the green growing phase, its mostly blue colour, the uv spectrum is below that, but your getting swamped by the ratio of uv to 420nm,try using a class A uv light from a suppler and then calibration from there
Re: UV lines of mercury spectra at a ZnS screen
Physikfan, Fri Feb 09 2018, 07:33PM
Hi Plasma
I did not understand your response.
"but your getting swamped by the ratio of uv to 420nm,try using a class A uv light from a suppler and then calibration from there"
Please, could you explain me your answer one more time?
The purpose of my research here is to study different screens for their sensitivity to UV radiation.
This is a comparison between a of zinc sulfide screen to the already used UV screen
Zinc sulphide screen:
UV screen
With comparable intensity of the visible lines, the UV screen shows significantly more UV lines.
Physikfan, Fri Feb 09 2018, 07:33PM
Hi Plasma
I did not understand your response.
"but your getting swamped by the ratio of uv to 420nm,try using a class A uv light from a suppler and then calibration from there"
Please, could you explain me your answer one more time?
The purpose of my research here is to study different screens for their sensitivity to UV radiation.
This is a comparison between a of zinc sulfide screen to the already used UV screen
Zinc sulphide screen:
UV screen
With comparable intensity of the visible lines, the UV screen shows significantly more UV lines.
Re: UV lines of mercury spectra at a ZnS screen
Plasma, Mon Feb 12 2018, 04:24AM
Wouldn't the zinc sulfide reradate the ionizes from the uv at a different frequency.
get just a uv source, a lighting supplier can sell you just a party lamp, which would have a lot less noise on the ouput
Plasma, Mon Feb 12 2018, 04:24AM
Wouldn't the zinc sulfide reradate the ionizes from the uv at a different frequency.
get just a uv source, a lighting supplier can sell you just a party lamp, which would have a lot less noise on the ouput
Print this page