Optical filter - center wavelength 656.30 nm, 1 nm bandwidth, 1 inch diameter,optical filter - center wavelength 656.30 nm, 3 nm bandwidth, 2 inch diameter,optical filter - center wavelength 486.13 nm, 1 nm bandwidth, 1 inch diameter,optical filter - center wavelength 486.13 nm, 10 nm bandwidth, 2 inch diameter,optical filter - center wavelength 434.05 nm, 1 nm bandwidth, 1 inch diameter,optical filter - center wavelength 434.05 nm, 1 nm bandwidth, 2 inch diameter,optical filter - center wavelength 464.74 nm, 1 nm bandwidth, 1 inch diameter,optical filter - center wavelength 441.50 nm, 1 nm bandwidth, 1 inch diameter

Amc for jessore road divider 160w led street light maintenance work from sisir kunja to green park under madhyamgram municipality.

Electrical renovation work of sodepur road divider under madhyamgram municipality.

Amc for electrical maintenance of municipal office, tagore culture and 4 nos. gear, 4 nos. transformer and 4 nos. panel box under madhyamgram municipality.

Installation of new submersible pump motor set up to 20 hp including supply ..... to the supply main with electrical accessories for the deep tube well at tutepara in ward no 5 and adjacent hidumilanmandir in ward no 21 under madhyamgram municipality

Wbiw/se/ce(ne)/nit-01e/26-27/1

Wbiw/se/ce(ne)/nit-01e/26-27/2

650 nm laser diode

Blue line laser of wavelength 450 nm,green line laser of wavelength 520 nm,red line laser of wavelength 640 nm

Femtosecond laser at 515 nm