Inspired Innovation - Imagine a
spectrograph that sharply focuses data at every wavelength,
allows the unrestricted use of large-format detectors, and
directs photons to where they are supposed to go. Imagine a
spectrograph that overcomes the limitations of traditional
Czerny-Turner designs while significantly improving upon the
image quality and resolution afforded by toroidal mirrors.
The spectroscopists and engineers at
Princeton Instruments have not only imagined it, but built
it! We invite you to see the truly remarkable
results… the Princeton Instruments IsoPlane, a
next-generation, aberration-free imaging spectrograph!
The exclusive, state-of-the-art optical design elements
utilized in Princeton Instruments’ IsoPlane imaging
spectrograph means this revolutionary instrument provides a
sharply focused image across the entire focal plane.
With the IsoPlane spectrograph more photons end up in the
peak, increasing the height and effective signal-to-noise
ratio (SNR), rather than in the wings, where they contribute
to the background noise.
Why waste time acquiring
data you can’t use?
Focal Plane Image
The IsoPlane eliminates field astigmatism and greatly
reduces coma, enabling crisp, detailed imaging across a 27 x
8 mm focal plane.
Spectral Lines at Focal Plane Center
The IsoPlane yields near-Lorentzian spectral lines at the
center of the focal plane. Czerny-Turner spectrographs
deliver inferior line shapes.
The IsoPlane produces sharp spectral lines of constant
width and height across the focal plane, whereas
Czerny-Turner spectrographs do not.
While Czerny-Turner spectrographs suffer from excessive
crosstalk between adjacent channels, the IsoPlane eliminates
it. Two-dimensional focal plane array detectors can record
multiple spectra simultaneously, yet conventional
spectrographs are ill-equipped for the job. Astigmatism in
Czerny-Turner spectrographs means that only a few separate
vertically spaced fibers can be resolved over the width of