miniRaman MRm has been developed

MiniRaman specifications:

Lasers

785nm (power range between 18 to 176mW on a sample)

660nm (power range between 1 to 32mW on a sample)
Spectral range

400-2700cm-1 (from 785nm laser),

2750-4500cm-1 (from 660nm laser)
Spectral resolution

7-15cm-1 (slit size dependent; slit size can be customized)
Sensitivity in point mode from laser wavelength 785nm (determined as SNR of polystyrene spectrum). SNR should be in the range 250:1 to 350:1 from 785nm laser (spectral range 400-2700cm-1) at the following parameters:

laser wavelength: 785nm

laser power: 100mW

integration time: 0.1s

number of repetitions: 1

objective: dry microlens

smoothing : non
Sensitivity in point mode from laser wavelength 660nm (determined as SNR of polystyrene spectrum). SNR should be in the range 100:1 to 150:1 from 660nm laser (spectral range 2750-4500cm-1) at the following parameters:

laser wavelength: 660nm

laser power: 32mW

integration time: 0.5s

number of repetitions: 1

objective: dry microlens

smoothing : non
Spatial resolution

Diffraction limited (microscope objective dependent)

600nm at 660 nm excitation at NA=0.95 (100x)

750nm at 785 nm excitation at NA=0.95 (100x)
White light illumination

Reflected microscopy with simulteneos laser spot/line visualization and Rama spectra registration

Transmittance microscopy with simulteneos laser spot/line visualization and Rama spectra registration

Off axis illuminatin microscopy with simulteneos laser spot/line visualization and Rama spectra registration
Microscopy configuration mode

up-right

inverted