Instrument Components
A graph of scope versus wavelength.

Pandora Field Box

A graph of scope versus wavelength.

Spectrometer

A graph of scope versus wavelength.

Sensor Head

Original Design (V1 - 2007)

  • CMOS spectrometer UV‐coated CCD (PIXIS:2KBUV) from Princeton Instruments with an array size of 512 by 2048 pixels
  • Fiber optic: 10‐m fused silica 0.4 mm diameter single‐core multimode fiber optic cable
  • Two UV band‐pass filters, 280–320 nm and 280–380 nm
  • RS‐232 serial computer
  • Direct‐sun FOV to about 1.5°

V1 Scheme

V1 Scheme



V2 - 2010/2011

Sensor Head V2

  • Updated tracker and head sensor design
  • Spectrometer: AvaSpec-ULS 2048x64, on-cooled back-thinned CCD with 2048 x 64 effective pixels and a total size of 29 mm wide and 1 mm high
  • Tracker: Pan-Tilt Unit-D46-70 from FLIR Motion Control Systems, Inc.
  • Fiber: 400 m core and 440 m clad diameter single strand fused silica fiber with a silicone jacket. Numerical aperture of 0.22, fiber lengths can vary from 3 m to 20 m, typically 10 m.
  • Computer: Small notebook PC

Pandora V2

V2 Design

V3 - 2018

Pandora V3

  • Spectrometer: AvaSpec-ULS 2048x64, on-cooled back-thinned CCD with 2048 x 64 effective pixels and a total size of 29 mm wide and 1 mm high
  • Tracker: SciGlob/NASA tracker with 0.01° Step, mechanical encoder and improved Communication SW - tracker to PC.
  • Fiber: 400 m core and 440 m clad diameter single strand fused silica fiber with a silicone jacket. Numerical aperture of 0.22, fiber lengths can vary from 3 m to 20 m, typically 10 m.
  • Computer: Cincoze DC-1100-R10
PAN 1S and 2S Mobile
Boat Mount

Pandora Mounted on a Boat

Vehicle Mount

Pandora Mounted on a Vehicle