Ultr

a Fa

st

LASE

R Stre

ak C

amer

a

Phot

o-De

tect

or

Beam

Spl

itter

s Galv

o

Occ

lude

r

Obj

ect (

Hidd

en)

L

Wal

l

wr 4

r 1

r 2 r 3

s

T (ns)1

0a bc

Inte

nsity

(Arb

. U.)

067

2X

(Pixe

ls)Co

nfide

nce

(Arb

. U.)

X (P

ixel)

t (ns)1 00

672

Intensity (Arb. U.)

r’q’

p’cb

d e

a

p qr

Camera

Lase

r

Object

p’q’r’

Back

proj

ecte

d In

tens

ity (A

rb. U

.)Ba

ckpr

ojec

ted

Inte

nsity

(Arb

. U.)

Back

proj

ecte

d In

tens

ity (A

rb. U

.)Co

nfide

nce

(Arb

. U.)

Inte

nsity

(Arb

. U.)

Inte

nsity

(Arb

. U.)

Inte

nsity

(Arb

. U.)

a c

d

e f

b

g h

i

Intensity (Arb. U.) Backproj. Intensity (Arb. U.)

Confidence (Arb. U.)

Depth (Arb. U.)

Near Far

dc

a b

e

z

x

y

253 mm245 mm

222 mm

Intensity (Arb. U.)

Backprojected Intensity (Arb. U.) Confidence (Arb. U.)