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Cristiano de Mello Gallep - Unicamp

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Prof. Dr. <strong>Cristiano</strong> <strong>de</strong> <strong>Mello</strong> <strong>Gallep</strong><br />

gallep@ceset.unicamp.br<br />

Laboratório <strong>de</strong> Fotônica Aplicada, DTT/CESET<br />

Estudos <strong>de</strong> emissão espontânea em organismos:<br />

– aplicações em (eco)toxicologia, agronomia<br />

coor<strong>de</strong>nador<br />

Lab. Com. Ópticas e Celulares, DMO/FEEC<br />

colaborador<br />

Não-linearida<strong>de</strong>s em amplificadores ópticos a<br />

semicondutor: - processamento totalmente óptico <strong>de</strong> bits


Conversão óptica 2R via filtragem <strong>de</strong> gorjeio em<br />

freqüência induzido por UL-SOA<br />

Entrada: olhos<br />

distorcidos por SOA<br />

Saída: ótima em<br />

∆λ=1nm


WAVELENGTH CONVERSION AND 2R-REGENERATION USING<br />

ONE SEMICONDUCTOR OPTICAL AMPLIFIER WITH CROSSGAIN<br />

MODULATION COMPRESSION<br />

OSA / CLEO/QELS 2008


Single-SOA Regenerative Wavelength Conversion up<br />

to 13.5 Gbps at the KyaTera testbed In preparation


Stressed Daphnia similis’ ultra-weak light emission<br />

50<br />

ocurrence, (%)<br />

1<br />

Natally A. Siqueira and <strong>Cristiano</strong> M. <strong>Gallep</strong><br />

NaCl sol., 30min.<br />

50# D. similis<br />

Test 2 - K<br />

2<br />

Cr<br />

2<br />

O<br />

7<br />

Grupo T i o C T f o C)<br />

bckgrd noise 23,7 22,9<br />

solution 23,7 23,8<br />

Control 23,9 23,8<br />

0,03 mg/L 24,3 24,4<br />

0,06 mg/L 24,4 24,2<br />

0,12 mg/L 24,3 24,2<br />

0,24 mg/L 24,4 24,4<br />

0,48 mg/L 24,3 24,4<br />

10 20 30 40 50 60<br />

#counts/1 s (#D=2)<br />

ocurrence,(%)<br />

20<br />

15<br />

10<br />

5<br />

T3<br />

FiO´08 – JWA3<br />

40 Noise<br />

Control<br />

35<br />

0,5 g/l<br />

30<br />

1,0 g/l<br />

2,0 g/l<br />

25<br />

4,0 g/l<br />

8,0 g/l<br />

0<br />

10 20 30<br />

counts/1 s (# D=2)<br />

Daniela C. Batista and <strong>Cristiano</strong><br />

M. <strong>Gallep</strong><br />

K 2 Cr 2 O 7 sol.


Fast evaluation of soil toxicity by photon-counts of<br />

Samuel R. dos Santos and <strong>Cristiano</strong> M. <strong>Gallep</strong><br />

in-dark wheat seedlings<br />

FiO´08 – FTuX4<br />

3rd day - 24h series


Biophoton of sprouts as indicator of seed<br />

acclimatization<br />

<strong>Cristiano</strong> <strong>de</strong> <strong>Mello</strong> <strong>Gallep</strong><br />

Local average (100 points) and polynomial fit for the photon-counting measurements for 6 tests of simultaneous<br />

wheat germination: German (blue, fit in light-blue) and Brazilian (red, fit in yellow) seeds in Germany, Brazilian<br />

seeds left in Brazil (green, fit in dark-green).

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