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1. Design and tests of high sensitivity NTD Ge thermometers for the Planck-High Frequency Instrument

Author

Porter, F. Scott, Piat, M., Torre, J. P., Lamarre, J. M., Beeman, J. W., Bhatia, R. S., Leriche, B., Crussaire, J. P., Langlet, F., Porter, F. Scott, Piat, M., Torre, J. P., Lamarre, J. M., Beeman, J. W., Bhatia, R. S., Leriche, B., Crussaire, J. P., and Langlet, F.

Abstract

The High Frequency Instrument of Planck needs high sensitivity semi-conductors at low temperature to monitor the temperature of the bolometer plate. We have modeled such thermometers by using a semi-analytical approach of Anderson insulators, taking into account both the electrical field and the electron/phonon decoupling effects. The optimized design uses convenient NTD Ge material and has larger dimension than the initial design. The first measurements of these optimized thermometers showed a significant thermal de-coupling effect due to Kapitza resistance with its mechanical support. Nevertheless, a sensitivity of about 8 nK.Hz^(–0.5), not far from the predicted one, was obtained. The noise spectrum of the thermometer was flat down to 1 Hz, dominated at lower frequency by the thermal fluctuations.

Published
2002

2. Calibration and First light of the Diabolo photometer at the Millimetre and Infrared Testa Grigia Observatory

Author

Benoit, A., Zagury, F., Coron, N., De Petris, M., Desert, F. -X., Giard, M., Bernard, J. -P., Crussaire, J. -P., Dambier, G., de Bernardis, P., Delabrouille, J., De Luca, A., de Marcillac, P., Jegoudez, G., Lamarre, J. -M., Leblanc, J., Lepeltier, J. -P., Leriche, B., Mainella, G., Narbonne, J., Pajot, F., Pons, R., Puget, J. -L., Pujol, S., Recouvreur, G., Serra, G., Soglasnova, V., Torre, J. -P., Vozzi, B., Benoit, A., Zagury, F., Coron, N., De Petris, M., Desert, F. -X., Giard, M., Bernard, J. -P., Crussaire, J. -P., Dambier, G., de Bernardis, P., Delabrouille, J., De Luca, A., de Marcillac, P., Jegoudez, G., Lamarre, J. -M., Leblanc, J., Lepeltier, J. -P., Leriche, B., Mainella, G., Narbonne, J., Pajot, F., Pons, R., Puget, J. -L., Pujol, S., Recouvreur, G., Serra, G., Soglasnova, V., Torre, J. -P., and Vozzi, B.

Abstract

We have designed and built a large-throughput dual channel photometer, Diabolo. This photometer is dedicated to the observation of millimetre continuum diffuse sources, and in particular, of the Sunyaev-Zel'dovich effect and of anisotropies of the 3K background. We describe the optical layout and filtering system of the instrument, which uses two bolometric detectors for simultaneous observations in two frequency channels at 1.2 and 2.1 mm. The bolometers are cooled to a working temperature of 0.1 K provided by a compact dilution cryostat. The photometric and angular responses of the instrument are measured in the laboratory. First astronomical light was detected in March 1995 at the focus of the new Millimetre and Infrared Testa Grigia Observatory (MITO) Telescope. The established sensitivity of the system is of 7 mK_RJ s^1/2$. For a typical map of at least 10 beams, with one hour of integration per beam, one can achieve the rms values of y_SZ ~ 7 10^-5 and the 3K background anisotropy Delta T/T ~ 7 10^-5, in winter conditions. We also report on a novel bolometer AC readout circuit which allows for the first time total power measurements on the sky. This technique alleviates (but does not forbid) the use of chopping with a secondary mirror. This technique and the dilution fridge concept will be used in future scan--modulated space instrument like the ESA Planck mission project., Comment: 10 pages, LaTeX, 12 figures, accepted for publication in Astronomy and Astrophysics Supplement Series

Published
1999
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3. Calibration and First light of the Diabolo photometer at the Millimetre and Infrared Testa Grigia Observatory

Author

Benoit, A., Zagury, F., Coron, N., De Petris, M., Desert, F. -X., Giard, M., Bernard, J. -P., Crussaire, J. -P., Dambier, G., de Bernardis, P., Delabrouille, J., De Luca, A., de Marcillac, P., Jegoudez, G., Lamarre, J. -M., Leblanc, J., Lepeltier, J. -P., Leriche, B., Mainella, G., Narbonne, J., Pajot, F., Pons, R., Puget, J. -L., Pujol, S., Recouvreur, G., Serra, G., Soglasnova, V., Torre, J. -P., Vozzi, B., Benoit, A., Zagury, F., Coron, N., De Petris, M., Desert, F. -X., Giard, M., Bernard, J. -P., Crussaire, J. -P., Dambier, G., de Bernardis, P., Delabrouille, J., De Luca, A., de Marcillac, P., Jegoudez, G., Lamarre, J. -M., Leblanc, J., Lepeltier, J. -P., Leriche, B., Mainella, G., Narbonne, J., Pajot, F., Pons, R., Puget, J. -L., Pujol, S., Recouvreur, G., Serra, G., Soglasnova, V., Torre, J. -P., and Vozzi, B.

Abstract

We have designed and built a large-throughput dual channel photometer, Diabolo. This photometer is dedicated to the observation of millimetre continuum diffuse sources, and in particular, of the Sunyaev-Zel'dovich effect and of anisotropies of the 3K background. We describe the optical layout and filtering system of the instrument, which uses two bolometric detectors for simultaneous observations in two frequency channels at 1.2 and 2.1 mm. The bolometers are cooled to a working temperature of 0.1 K provided by a compact dilution cryostat. The photometric and angular responses of the instrument are measured in the laboratory. First astronomical light was detected in March 1995 at the focus of the new Millimetre and Infrared Testa Grigia Observatory (MITO) Telescope. The established sensitivity of the system is of 7 mK_RJ s^1/2$. For a typical map of at least 10 beams, with one hour of integration per beam, one can achieve the rms values of y_SZ ~ 7 10^-5 and the 3K background anisotropy Delta T/T ~ 7 10^-5, in winter conditions. We also report on a novel bolometer AC readout circuit which allows for the first time total power measurements on the sky. This technique alleviates (but does not forbid) the use of chopping with a secondary mirror. This technique and the dilution fridge concept will be used in future scan--modulated space instrument like the ESA Planck mission project., Comment: 10 pages, LaTeX, 12 figures, accepted for publication in Astronomy and Astrophysics Supplement Series

Published
1999
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4. PILOT optical alignment

Author

Karafolas, Nikos, Sodnik, Zoran, Cugny, Bruno, Mot, B., Roudil, G., Longval, Y., Ade, P., André, Y., Aumont, J., Baustista, L., Bernard, J. -P., Bray, N., de Bernardis, P., Boulade, O., Bousquet, F., Bouzit, M., Buttice, V., Caillat, A., Charra, M., Chaigneau, M., Crane, B., Crussaire, J. -P., Douchin, F., Doumayrou, E., Dubois, J. -P., Engel, C., Etcheto, P., Gélot, P., Griffin, M., Foenard, G., Grabarnik, S., Hargrave, P., Hughes, A., Laureijs, R., Lepennec, Y., Leriche, B., Maestre, S., Maffei, B., Martignac, J., Marty, C., Marty, W., Masi, S., Mirc, F., Misawa, R., Montel, J., Montier, L., Narbonne, J., Nicot, J. -P., Pajot, F., Parot, G., Pérot, E., Pimentao, J., Pisano, G., Ponthieu, N., Ristorcelli, I., Rodriguez, L., Salatino, M., Savini, G., Simonella, O., Saccoccio, M., Tapie, P., Tauber, J., Torre, J. -P., Tucker, C., Karafolas, Nikos, Sodnik, Zoran, Cugny, Bruno, Mot, B., Roudil, G., Longval, Y., Ade, P., André, Y., Aumont, J., Baustista, L., Bernard, J. -P., Bray, N., de Bernardis, P., Boulade, O., Bousquet, F., Bouzit, M., Buttice, V., Caillat, A., Charra, M., Chaigneau, M., Crane, B., Crussaire, J. -P., Douchin, F., Doumayrou, E., Dubois, J. -P., Engel, C., Etcheto, P., Gélot, P., Griffin, M., Foenard, G., Grabarnik, S., Hargrave, P., Hughes, A., Laureijs, R., Lepennec, Y., Leriche, B., Maestre, S., Maffei, B., Martignac, J., Marty, C., Marty, W., Masi, S., Mirc, F., Misawa, R., Montel, J., Montier, L., Narbonne, J., Nicot, J. -P., Pajot, F., Parot, G., Pérot, E., Pimentao, J., Pisano, G., Ponthieu, N., Ristorcelli, I., Rodriguez, L., Salatino, M., Savini, G., Simonella, O., Saccoccio, M., Tapie, P., Tauber, J., Torre, J. -P., and Tucker, C.

5. Pilot optical alignment and its in flight performances

Author

Cugny, Bruno, Karafolas, Nikos, Sodnik, Zoran, Simonella, O., Savini, G., Roudil, G., Rodriguez, L., Pimentao, J., Pérot, E., Nicot, J.-M., Narbonne, J., Montel, J., Mirc, F., Masi, S., Marty, C., Leriche, B, Laureijs, R., Grabarnik, S., Foenard, G., Griffin, M., Gélot, P., Etcheto, P., Engel, C., Dubois, J. P., Doumayrou, E., Crane, B., Bousquet, F., de Bernardis, P., Bernard, J.-Ph., Baustista, L., André, Y., Ade, P., Versepuech, G., Tucker, C., Torre, J.-P., Tauber, J., Tapie, P., Saccoccio, M., Salatino, M., Ristorcelli, I., Ponthieu, N., Pisano, G., Parot, G., Pajot, F., Montier, L., Misawa, R., Marty, W., Martignac, J., Maffei, B., Maestre, S., Lepennec, Y., Hughes, A., Hargrave, P., Douchin, F., Crussaire, J.-P., Coudournac, C., Chaigneau, M., Charra, M., Caillat, A, Buttice, V., Bouzit, M., Boulade, O., Bray, N., Aumont, J., Longval, Y., Mot, B., Cugny, Bruno, Karafolas, Nikos, Sodnik, Zoran, Simonella, O., Savini, G., Roudil, G., Rodriguez, L., Pimentao, J., Pérot, E., Nicot, J.-M., Narbonne, J., Montel, J., Mirc, F., Masi, S., Marty, C., Leriche, B, Laureijs, R., Grabarnik, S., Foenard, G., Griffin, M., Gélot, P., Etcheto, P., Engel, C., Dubois, J. P., Doumayrou, E., Crane, B., Bousquet, F., de Bernardis, P., Bernard, J.-Ph., Baustista, L., André, Y., Ade, P., Versepuech, G., Tucker, C., Torre, J.-P., Tauber, J., Tapie, P., Saccoccio, M., Salatino, M., Ristorcelli, I., Ponthieu, N., Pisano, G., Parot, G., Pajot, F., Montier, L., Misawa, R., Marty, W., Martignac, J., Maffei, B., Maestre, S., Lepennec, Y., Hughes, A., Hargrave, P., Douchin, F., Crussaire, J.-P., Coudournac, C., Chaigneau, M., Charra, M., Caillat, A, Buttice, V., Bouzit, M., Boulade, O., Bray, N., Aumont, J., Longval, Y., and Mot, B.

6. PILOT optical alignment

Author

MacEwen, Howard A., Fazio, Giovanni G., Lystrup, Makenzie, Batalha, Natalie, Siegler, Nicholas, Tong, Edward C., Longval, Y., Mot, B., Ade, Peter A. R., André, Y., Aumont, J., Baustista, L., Bernard, J.-Ph., Bray, N., de Bernardis, P., Boulade, O., Bousquet, F., Bouzit, M., Buttice, V., Caillat, A., Charra, M., Chaigneau, M., Crane, B., Crussaire, J.-P., Douchin, F., Doumayrou, E., Dubois, J.-P., Engel, C., Etcheto, P., Gélot, P., Griffin, Matthew J., Foenard, G., Grabarnik, S., Hargrave, P.., Hughes, A., Laureijs, R., Lepennec, Y., Leriche, B., Maestre, S., Maffei, B., Martignac, J., Marty, C., Marty, W., Masi, S., Mirc, F., Misawa, R., Montel, J., Montier, L., Narbonne, J., Nicot, J-M., Pajot, F., Parot, G., Pérot, E., Pimentao, J., Pisano, Giampaolo, Ponthieu, N., Ristorcelli, I., Rodriguez, L., Roudil, G., Salatino, M., Savini, Giorgio, Simonella, O., Saccoccio, M., Tapie, P., Tauber, J., Torre, J.-P., Tucker, Carole, MacEwen, Howard A., Fazio, Giovanni G., Lystrup, Makenzie, Batalha, Natalie, Siegler, Nicholas, Tong, Edward C., Longval, Y., Mot, B., Ade, Peter A. R., André, Y., Aumont, J., Baustista, L., Bernard, J.-Ph., Bray, N., de Bernardis, P., Boulade, O., Bousquet, F., Bouzit, M., Buttice, V., Caillat, A., Charra, M., Chaigneau, M., Crane, B., Crussaire, J.-P., Douchin, F., Doumayrou, E., Dubois, J.-P., Engel, C., Etcheto, P., Gélot, P., Griffin, Matthew J., Foenard, G., Grabarnik, S., Hargrave, P.., Hughes, A., Laureijs, R., Lepennec, Y., Leriche, B., Maestre, S., Maffei, B., Martignac, J., Marty, C., Marty, W., Masi, S., Mirc, F., Misawa, R., Montel, J., Montier, L., Narbonne, J., Nicot, J-M., Pajot, F., Parot, G., Pérot, E., Pimentao, J., Pisano, Giampaolo, Ponthieu, N., Ristorcelli, I., Rodriguez, L., Roudil, G., Salatino, M., Savini, Giorgio, Simonella, O., Saccoccio, M., Tapie, P., Tauber, J., Torre, J.-P., and Tucker, Carole

7. Inflight performance of the PILOT balloon-borne experiment

Author

Bernard, J.-Ph., Ade, Peter, André, Y., Aumont, J., Bautista, L., Bray, N., de Bernardis, P., Boulade, O., Bousquet, F., Bouzit, M., Buttice, V., Caillat, A., Charra, M., Chaigneau, M., Crane, B., Crussaire, J.-P., Douchin, F., Doumayrou, E., Dubois, J. P., Engel, C., Etcheto, P., Gélot, P., Griffin, Matthew J., Foenard, G., Grabarnik, S., Hargrave, Peter, Hughes, A., Laureijs, R., Lepennec, Y., Leriche, B., Longval, Y., Maestre, S., Maffei, B., Martignac, J., Marty, C., Marty, W., Masi, S., Mirc, F., Misawa, R., Montel, J., Montier, L., Mot, B., Narbonne, J., Nicot, J-M., Pajot, F., Parot, G., Pérot, E., Pimentao, J., Pisano, Giampaolo, Ponthieu, N., Ristorcelli, I., Rodriguez, L., Roudil, G., Salatino, M., Savini, Giorgio, Simonella, O., Saccoccio, M., Tapie, P., Tauber, J., Torre, J.-P., Tucker, Carole, Bernard, J.-Ph., Ade, Peter, André, Y., Aumont, J., Bautista, L., Bray, N., de Bernardis, P., Boulade, O., Bousquet, F., Bouzit, M., Buttice, V., Caillat, A., Charra, M., Chaigneau, M., Crane, B., Crussaire, J.-P., Douchin, F., Doumayrou, E., Dubois, J. P., Engel, C., Etcheto, P., Gélot, P., Griffin, Matthew J., Foenard, G., Grabarnik, S., Hargrave, Peter, Hughes, A., Laureijs, R., Lepennec, Y., Leriche, B., Longval, Y., Maestre, S., Maffei, B., Martignac, J., Marty, C., Marty, W., Masi, S., Mirc, F., Misawa, R., Montel, J., Montier, L., Mot, B., Narbonne, J., Nicot, J-M., Pajot, F., Parot, G., Pérot, E., Pimentao, J., Pisano, Giampaolo, Ponthieu, N., Ristorcelli, I., Rodriguez, L., Roudil, G., Salatino, M., Savini, Giorgio, Simonella, O., Saccoccio, M., Tapie, P., Tauber, J., Torre, J.-P., and Tucker, Carole

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