DATA

        ◆ BESS (Be Stars base)

        ◆ ARAS BEAM (Be Stars observation)

        ◆ UVES (ESO)

        ◆ ELODIE ARCHIVE

        ◆ INDO-US LIBRARY

        ◆ NIST ATOMIC SPECTRA DATA

        ◆ ATOMIC LINE LIST

        ◆ KECK ARC LAMP LINES

        ◆ CALSPEC CALIBRATION DATABASE

        ◆ ESO SPECTROPHOMETRIC STANDARDS

        ◆ ESO ATMOSPPHERIC TRANS CALCULATOR

        ◆ MASSEY SPECTROPHOMETRIC 

        ◆ LIBRARIES OF STELLAR SPECTRA

        ◆ SPECTRAL ATLAS AND CLASSIFICATION

        ◆ BRIGHT STAR SPECTRA INDEX

        ◆ SOLAR SPECTRUM (MEUDON)

        ◆ SOLAR SPECTRUM (BASS2000)

        ◆ POLARIZED / UNPOLARIZED STANDARDS

        ◆ POLLUX DATA BASE OF STELLAR SPECTRA

COMPONANTS

        ◆ EDMUND OPTICS

        ◆ THORLABS

        ◆ OPTOSIGMA

        ◆ RICHARDSON GRATINGS

        ◆ OPTOMETRICS GRATINGS

        ◆ HORIBA GRATINGS (JOBIN YVON)

        ◆ PATON HAWKSLEY GRATINGS

        ◆ JEULIN GRATINGS

        ◆ EDUCATION GRATINGS

        ◆ VPH GRATINGS

        ◆ POLYMICRO OPTICAL FIBERS