Abstract

The development of an all-solid-state cw laser system for optical absorption measurements of the OH radical in the UV spectral range is described. The tunable output of a 1064-nm external-cavity diode laser is amplified by use of a Nd:doped, double-clad fiber amplifier. The amplified near-IR radiation is frequency doubled by a periodically poled lithium niobate crystal and then quadrupled in a beta-barium borate crystal. The design and operation of the system and measurements of OH absorption in the (2, 0) band of the AΣ+2XΠ2 electronic transition are discussed.

© 2001 Optical Society of America

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2000

1999

1998

L. Goldberg, J. Koplow, D. Lancaster, R. Curl, and F. Tittel, Opt. Lett. 23, 1517 (1998).
[CrossRef]

J. Koplow, D. Kliner, and L. Goldberg, IEEE Photon. Technol. Lett. 10, 75 (1998).
[CrossRef]

1997

D. Kliner, J. Koplow, and L. Goldberg, Opt. Lett. 22, 1418 (1997).
[CrossRef]

R. Paschotta, J. Nilson, A. Tropper, and D. Hanna, IEEE J. Quantum Electron. 33, 1049 (1997).
[CrossRef]

A. Hardy and R. Oron, IEEE J. Quantum Electron. 33, 307 (1997).
[CrossRef]

G. Miller, R. Batchko, W. Tulloch, D. Weise, M. Fejer, and R. Byer, Opt. Lett. 22, 1834 (1997).
[CrossRef]

R. D. Hancock, K. E. Bertagnolli, and R. P. Lucht, Combust. Flame 109, 323 (1997).
[CrossRef]

1995

1992

1988

B. Ainslie, S. Craig, and S. Davey, J. Lightwave Technol. 6, 287 (1988).
[CrossRef]

Ainslie, B.

B. Ainslie, S. Craig, and S. Davey, J. Lightwave Technol. 6, 287 (1988).
[CrossRef]

Allen, M. G.

Batchko, R.

Bertagnolli, K. E.

R. D. Hancock, K. E. Bertagnolli, and R. P. Lucht, Combust. Flame 109, 323 (1997).
[CrossRef]

Byer, R.

Carleton, K. L.

Cook, C.

Craig, S.

B. Ainslie, S. Craig, and S. Davey, J. Lightwave Technol. 6, 287 (1988).
[CrossRef]

Crosley, D. R.

J. Luque and D. R. Crosley, “LIFBASE: Database and spectral simulation program, Version 1.5,” (SRI International, Menlo Park, Calif., 1999).

Curl, R.

Davey, S.

B. Ainslie, S. Craig, and S. Davey, J. Lightwave Technol. 6, 287 (1988).
[CrossRef]

Davis, S. J.

Fejer, M.

Fry, E. S.

Giancola, W.

Goldberg, L.

Hancock, R. D.

R. D. Hancock, K. E. Bertagnolli, and R. P. Lucht, Combust. Flame 109, 323 (1997).
[CrossRef]

Hanna, D.

R. Paschotta, J. Nilson, A. Tropper, and D. Hanna, IEEE J. Quantum Electron. 33, 1049 (1997).
[CrossRef]

Hardy, A.

A. Hardy and R. Oron, IEEE J. Quantum Electron. 33, 307 (1997).
[CrossRef]

Kessler, W. J.

Kliner, D.

J. Koplow, D. Kliner, and L. Goldberg, IEEE Photon. Technol. Lett. 10, 75 (1998).
[CrossRef]

D. Kliner, J. Koplow, and L. Goldberg, Opt. Lett. 22, 1418 (1997).
[CrossRef]

Koplow, J.

Lancaster, D.

Lucht, R.

Lucht, R. P.

R. D. Hancock, K. E. Bertagnolli, and R. P. Lucht, Combust. Flame 109, 323 (1997).
[CrossRef]

Luque, J.

J. Luque and D. R. Crosley, “LIFBASE: Database and spectral simulation program, Version 1.5,” (SRI International, Menlo Park, Calif., 1999).

Miller, G.

Muendel, M.

Nicolaescu, R.

Nilson, J.

R. Paschotta, J. Nilson, A. Tropper, and D. Hanna, IEEE J. Quantum Electron. 33, 1049 (1997).
[CrossRef]

Oh, D.

Oron, R.

A. Hardy and R. Oron, IEEE J. Quantum Electron. 33, 307 (1997).
[CrossRef]

Otis, C. E.

Palombo, D. A.

Paschotta, R.

R. Paschotta, J. Nilson, A. Tropper, and D. Hanna, IEEE J. Quantum Electron. 33, 1049 (1997).
[CrossRef]

Peterson, K.

Reichardt, T.

Richter, D.

D. Lancaster, D. Richter, and F. Tittel, Appl. Phys. B 69, 459 (1999).
[CrossRef]

Shappert, C.

Shorter, J.

Silver, J. A.

Sonnenfroh, D. M.

Tittel, F.

Tropper, A.

R. Paschotta, J. Nilson, A. Tropper, and D. Hanna, IEEE J. Quantum Electron. 33, 1049 (1997).
[CrossRef]

Tulloch, W.

Walther, T.

Weise, D.

Wormhoudt, J.

Zayhowski, J.

Appl. Opt.

Appl. Phys. B

D. Lancaster, D. Richter, and F. Tittel, Appl. Phys. B 69, 459 (1999).
[CrossRef]

Combust. Flame

R. D. Hancock, K. E. Bertagnolli, and R. P. Lucht, Combust. Flame 109, 323 (1997).
[CrossRef]

IEEE J. Quantum Electron.

R. Paschotta, J. Nilson, A. Tropper, and D. Hanna, IEEE J. Quantum Electron. 33, 1049 (1997).
[CrossRef]

A. Hardy and R. Oron, IEEE J. Quantum Electron. 33, 307 (1997).
[CrossRef]

IEEE Photon. Technol. Lett.

J. Koplow, D. Kliner, and L. Goldberg, IEEE Photon. Technol. Lett. 10, 75 (1998).
[CrossRef]

J. Lightwave Technol.

B. Ainslie, S. Craig, and S. Davey, J. Lightwave Technol. 6, 287 (1988).
[CrossRef]

Opt. Lett.

Other

J. Luque and D. R. Crosley, “LIFBASE: Database and spectral simulation program, Version 1.5,” (SRI International, Menlo Park, Calif., 1999).

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Figures (2)

Fig. 1
Fig. 1

Experimental schematic of the OH sensor. A polarization controller consisting of a λ/4λ/2 plate combination before the PPLN crystal and focusing lenses in front of the crystals are not shown.

Fig. 2
Fig. 2

OH absorption scan (solid curves) for a flame with hydrogen/air equivalence ratios of 1.0 (top) and 0.6 (bottom). The flame temperatures are 2200  K (top) and 1600  K (bottom). The theoretical fits (dashed curve) are Voigt profiles with collisional and Doppler widths of 0.12 and 0.30 cm-1 (top) and 0.12 and 0.25 cm-1 (bottom), respectively. Etalon transmission signals are shown as frequency markers (dotted curves). The arrows indicate the reversal points of the ramp used to tune the ECDL laser. FSR, free spectral range.

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