Center for Relativistic Laser Science

Detect Electroluminescence(EL) of 2d materials( this system can detect 400nm~900nm wavelength light(quantum efficiency ~90%) 

◉ ARC-SP-2358
- Focal Length : 300 mm
- Aperture Ratio : f/3.9
- PMT Resolution* : 0.1 nm
- CCD Resolution** : 0.14 nm
- Linear Dispersion* : 2.38 nm/mm
- Scan range :0~1400nm
- Wavelength accuracy: 0.2nm
- Grating mount: interchangeable triple grating turret

◉pyLoN:400BR
- CCD format: 1340 x 400, 20 x 20 mm pixels with 100% fill factor
- Imaging area: 26.8 x 8.0 mm (optically centered)
- Optical mount: Princeton Instruments’ Acton spectrometer adapter with optional shutter
- Deepest cooling temperature: -75°C guaranteed
- Thermostating precision: ±0.05°C
- Cooling method: Thermoelectric air or liquid cooling; CoolCUBE II, a compact room temperature coolant circulator, is available for vibration sensitive environments
- Spectrometric Well Capacity:
  High Sensitivity 300 ke- (typical), 250 ke- (min)
  High Capacity   1 Me- (typical), 750 ke- (min)
- ADC speed/bits 100 kHz/16-bit and 2 MHz/16-bit
- System read noise
             Front-illuminated           Back-illuminated
@100 kHz     2.5 e- rms (typical), 4 e- rms (max)    3 e- rms (typical), 5 e- rms (max)
@2 MHz    10 e- rms (typical), 15 e- rms (max)   11 e-rms(typical), 16 e- rms (max)
- I/O signals: Two MCX to BNC connectors for programmable frame readout, shutter, trigger in

◉ Photoluminescence

 - 300 grating : 550~800nm
 - 600 grating : 550~660nm
 - 1200 grating : 550~590nm

◉ Raman & mapping

 - 300 grating : 0~6000nm
 - 600 grating : 0~3600nm
 - 1200 grating : 0~1800nm

◉ Photocurrent & mapping

 -Measure current range: 1e-10~1e-2A

◉ Electroluminescence

◉ Low temperature measurement
 - During installation