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 mirror & edge filter for signal detection as close as 90 cm-1 to the laser line |
gratings |
typ. 600 / mm and 1800 / mm grating |
spectral resolution |
1 cm-1 at 1800 / mm grating |
CCD camera |
back-illuminated CCD, peltier-cooled to-60 ° C at 20 ° C room temperature, 1024x127 pixels, 90 % quantum |
efficiency at 532 nm, 100 kHz readout converter | |
Sample Positioning | |
total travel range |
5 x 5 x 5 mm ³( open loop) |
step size |
0.05.. 3 μm @ 300 K, 10.. 500 nm @ 4 K |
fine scan range |
50 x 50 μm ² @ 300 K, 30 x 30 μm ² @ 4 k( open loop) |
sample holder |
ASH / QE / 0 quick exchange sample holder and integrated heater with calibrated temperature sensor |
Suitable Operating Conditions | |
temperature range |
1.5 K.. 300 K( dependent on cryostat); mK compatible setup available on request |
magnetic field range |
0.. 15 T +( dependent on magnet) |
operating pressure |
designed for He exchange gas( vacuum compatible version down to 1E-6 mbar on request) |
Suitable Cooling Systems | |
titanium housing diameter |
48 mm |
bore size requirement |
designed for a 2 "( 50.8 mm) cryostat / magnet bore |
compatible cryostats |
attoDRY1000 / 1100 / 2100 |
attoLIQUID1000 / 2000( attoLIQUID3000 / 5000 on request) | |
Complete microscope stick attoRAMAN | |