attoRAMAN
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Specifications
attoRAMAN
General Specifications
type of instrument
free-beam based room temperature optics head coupled to low temperature objective and ultra-high
transmission spectrometer
sensor head specifics
unique low temperature compatible achromatic objectives with high numerical aperture, optimized for
different wavelength ranges
Confocal Unit
configuration
compact and modular design, two or more optical channels
standard configuration: 1 excitation channel,1 detection channel
quick-exchange of optical components
beamsplitters, filter mounts for up to 4 filters/ polarizers (1" diameter), optional piezoelectric rotator
with filter mount
LT- compatible objective
LT-APO/VIS, LT-APO/VISIR, LT-APO/NIR
(see accessory section for more information)
inspection unit
sample imaging with large field of view: ~75 μm (attoDRY), ~56 μm (attoLIQUID)
Illumination
excitation wavelength range
400 .. 1000 nm
default: 532 nm (others on request)
light source
dedicated Raman laser, single mode fiber coupled
light power on the sample
typically 1 pW..10mW
optical filter
laser line filter
Detection
detection mode
2D Raman images, time and single point Raman spectra
spectrometer
ultra-high transmission spectrometer, f=300 mm
total optical transmission
greater 60% at 532 nm
filters
dichroic mir ɽȀ