Table 1.
Comparison between the presented 2D self-referenced spectral interferometry, its previous version (SRSI-ETE), recently developed high dynamic range single-shot cross-correlators (SSCC) and commercially available reference instruments (Sequoia, Tundra, Wizzler, FROG, SPIDER).
| Technique | SNR | DR | TR [ps] | TRes [fs] | pts | NrS | bandw | SpP | SpT | Operating principle |
|---|---|---|---|---|---|---|---|---|---|---|
|
2D SRSI (this work) |
>10 | >10 | 120 | 18 | 4656 | 1 | Full pulse | Yes | Yes |
XPW 2D SRSI, single shot, spatio-temporal information, high dynamic spectrogram |
| SRSI-ETE26 | >10 | >10 | 18 | 18 | 900 | 1 | Full pulse | Yes | Yes |
XPW SRSI-ETE, single shot, spatio-temporal information |
| SSCC-OPR48 | >10 | >10* | 200 | 6260 | 35 | 1 |
SHG/THG limitations |
No | No |
Optical pulse replicator, single shot, *estimated in multiple shot measurements |
| SSC-OFG19,49 | >10 | 114 | 200 | 160 | 1 |
SHG/THG limitations |
No | No |
OPA based, optical fiber array, single shot |
|
|
SSC-OFG -NOPA50 |
>10 | >10 | 14 | 800 | 17.5 | 1 |
NOPA limitations |
No | No |
NOPA base, optical fiber array, single shot |
| SS-FOA21 | >10 | >10 | 65 | 160 | 406 | 1 |
SFM limitations |
No | No | XPW+SFM |
|
SEA-CAR- SPIDER36 |
>10 | >10 | 4.8 | <10 | 1280 | 1 | Full pulse | Yes | Yes |
SPIDER principle using spatially encoded interferogram, influence of PSF not specified |
|
WIZZLER |
>10 | >10 | 5 | 10 | 500 | 1 | Full pulse | Yes | No |
XPW SRSI single shot, spectral phase reconstruction |
|
FROG SWAMP OPTICS |
>10 | >10 | 2 | 35 | 72 | 1 | Full pulse | Yes | Part* |
SHG single-shot, auto-correlation, spectrally resolved *FROG can have partial SpT. |
| SPIDER APE | >10 | >10 | 1 | 15 | >60 | 1 | Full pulse | Yes | No* |
SFM single shot spectral, shear interferometer *Custom SPIDERs can have SpT |
|
SEQUOIA AMPLITUDE |
>10 | >10 | >2000 | >100 | n.r. |
2 (3) |
SHG/THG limitations |
No | No |
Scanning third order CC |
|
TUNDRA UFI |
>10 | >10 | >2000 | >100 | n.r. | 410 |
SHG/THG limitations |
No | No |
Scanning third order CC |
SNR: signal to noise ratio, DR: dynamic range (largest signal measured/smallest signal measured), TR: temporal range, TRes: temporal resolution, pts: number of sampling points, NrS: number of required shots per full measurement, bandw: measurement bandwidth, SpP: spectral phase measurement capabilities, SpT: spatio-temporal measurement capabilities, n.r.: not relevant.