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Optical Properties

Zumtobel Staff
Photo: Zumtobel Staff
BOROFLOAT® 33 is a clear and transparent colorless glass. The excellent transparency of BOROFLOAT® 33 both in the ultraviolet and also in the visible and near infrared range of light makes it ideal as a cover panel for many types of floodlights, high-power spotlights and sunbeds (up to operating temperatures of 450 °C). Its extra low inherent fluorescence (light emission), combined with very good surface quality, flatness and homogeneity, opens up a wide-range of possible applications for BOROFLOAT® 33 in optics, opto-electronics, photonics and analytical equipment.



Optical Properties of BOROFLOAT® 33 diagrams:

dispersion_borofloat.pdf Dispersion
optical_transmit.pdf Transmission
transmit_uv_range.pdf Transmission in the UV-Range
transmit_uv_range_temp.pdf Transmission in the UV-Range as a Function of Temperature
transmit_ir_range.pdf Transmission in the IR-Range
borosilicate_crown_glass.pdf Transmission of BOROFLOAT® 33 in Comparison with Borosilicate Crown Glass
vergleich_33_m_verspiegelt.pdf Reflection of BOROFLOAT® 33 in Comparison with BOROFLOAT® M
vergleich_33_ar_entspiegelt.pdf Reflection of BOROFLOAT® 33 in Comparison with BOROFLOAT® AR
Fluorescence Behavior of BOROFLOAT®33

Some materials have the ability to emit electromagnetic radiation after being activated by high frequency short-wave radiation of high energy intensity. This behavior is called fluorescence. It depends on the material’s purity and its structural characteristics as well as the energy per pulse, pulse rate and the excitation wavelength of the radiation.

BOROFLOAT® 33 is a highly transparent glass showing very weak fluorescence intensities in the visible light wavelength range.

Selected Standard Lasers and Related Wavelengths:

Wavelength
(nm) 		Laser
Medium 		Wavelength
(nm) 		Laser
Medium 		Wavelength
(nm)		 Laser
Medium
308 XeCI 488 Ar 1047 Nd:YLF
325 HeCd 514.5 Ar 1053 Nd:YLF
337 N2 532 Nd:YAG 1064 Nd:YAG
350 XeF 632.8 HeNe 1153 HeNe
351.1 Ar 694.3 Ruby 1319 Nd:YAG
363.8 Ar 730-780 Alexandrite 1730 Er:YLF
427 N2 850 Er:YLF 2060 Ho:YLF
441.6 HeCd 905 GaAs 10640 CO2


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SCHOTT North America, Inc.

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