THORLABS OSA203C Optical Spectrum Analyzers (1.0 - 2.6 µm (10 000 - 3846 cm^-1), 7.5 GHz Resolution)
Wavelength Range(a): 1.0 - 2.6 µm (b) (10 000 - 3846 cm^-1)
Level Sensitivity(c,d): -70 dBm/nm^f
Free-Space Window Material: Uncoated CaF2
Operating Temperature: 10°C to 40°C
(a) Limited by Bandwidth of Detectors and Optics
(b) Specified in high-temperature mode. In low-temperature mode, the wavelength range is 1.0 - 2.5 µm.
(c) Minimum detectable power per nanometer using Zero Fill = 0 and the highest resolution and sensitivity settings.
(d) See Graphs in manual
(e) In the 350 - 500 nm range, the OSA201C will easily detect lasers and other narrowband sources, but broadband sources may not have sufficient power spectral density to be detected.
(f) Specified in low-temperature mode over 1.0 - 2.5 µm. In high-temperature mode, the level sensitivity is -65 dBm/nm over 1.0 - 2.6 µm.
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