Continuous wave dual-wavelength Nd:YVO<sub>4</sub> laser working at 1064 and 1066 nm

Shuaijun Zhou; Peng Gu; Xiaoli Li; Shibing Liu

doi:doi:10.3788/COL201715.071401

Chinese Optics Letters, 2017, 15 (7): 071401, Published Online: Jul. 20, 2018

Continuous wave dual-wavelength Nd:YVO₄ laser working at 1064 and 1066 nm

Shuaijun Zhou Peng Gu Xiaoli Li ^*Shibing Liu

Author Affiliations

Institute of Laser Engineering, Beijing University of Technology, Beijing 100124, China

Figures & Tables

Fig. 1. Experimental setup of CW dual-wavelength $Nd : {YVO}_{4}$ laser.

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Fig. 2. Output power of 1064 nm laser as a function of the incident pump power.

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Fig. 3. Output spectrum of the $Nd : {YVO}_{4}$ laser with the pump light polarized parallel to the crystal’s $c$ -axis (left) and $b$ -axis (right).

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Fig. 4. Total output powers of the dual-wavelength laser at 1064 and 1066 nm as a function of the incident pump power.

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Fig. 5. Output spectrum of the dual-wavelength $Nd : {YVO}_{4}$ laser at the incident pump power of 2.85 W.

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Fig. 6. Output power of the dual-wavelength $Nd : {YVO}_{4}$ laser as a function of the incident pump power for wavelengths of 1064 and 1066 nm.

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Fig. 7. Transitions within Nd:YVO4 crystal (left) between different energy levels, (right) from energy level ${}^{4}{F_{3 / 2}}$ to ${}^{4}{I_{11 / 2}}$ with Stark splitting resulting in 1064 and 1066 nm emissions.

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Fig. 8. Effective stimulated emission cross section from ${}^{4}{F_{3 / 2}}$ to ${}^{4}{I_{11 / 2}}$ of $Nd : {YVO}_{4}$ ^[22].

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Fig. 9. Relationship between the polarization direction of the pump light $E$ and the $Nd : {YVO}_{4}$ crystal axis.

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Shuaijun Zhou, Peng Gu, Xiaoli Li, Shibing Liu. Continuous wave dual-wavelength Nd:YVO₄ laser working at 1064 and 1066 nm[J]. Chinese Optics Letters, 2017, 15(7): 071401.

Continuous wave dual-wavelength Nd:YVO₄ laser working at 1064 and 1066 nm

Fig. 1. Experimental setup of CW dual-wavelength $Nd : {YVO}_{4}$ laser.

Fig. 2. Output power of 1064 nm laser as a function of the incident pump power.

Fig. 3. Output spectrum of the $Nd : {YVO}_{4}$ laser with the pump light polarized parallel to the crystal’s $c$ -axis (left) and $b$ -axis (right).

Fig. 4. Total output powers of the dual-wavelength laser at 1064 and 1066 nm as a function of the incident pump power.

Fig. 5. Output spectrum of the dual-wavelength $Nd : {YVO}_{4}$ laser at the incident pump power of 2.85 W.

Fig. 6. Output power of the dual-wavelength $Nd : {YVO}_{4}$ laser as a function of the incident pump power for wavelengths of 1064 and 1066 nm.

Fig. 7. Transitions within Nd:YVO4 crystal (left) between different energy levels, (right) from energy level ${}^{4}{F_{3 / 2}}$ to ${}^{4}{I_{11 / 2}}$ with Stark splitting resulting in 1064 and 1066 nm emissions.

Fig. 8. Effective stimulated emission cross section from ${}^{4}{F_{3 / 2}}$ to ${}^{4}{I_{11 / 2}}$ of $Nd : {YVO}_{4}$ ^[22].

Fig. 9. Relationship between the polarization direction of the pump light $E$ and the $Nd : {YVO}_{4}$ crystal axis.

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Continuous wave dual-wavelength Nd:YVO4 laser working at 1064 and 1066 nm

Fig. 1. Experimental setup of CW dual-wavelength Nd:YVO4 laser.

Fig. 2. Output power of 1064 nm laser as a function of the incident pump power.

Fig. 3. Output spectrum of the Nd:YVO4 laser with the pump light polarized parallel to the crystal’s c-axis (left) and b-axis (right).

Fig. 4. Total output powers of the dual-wavelength laser at 1064 and 1066 nm as a function of the incident pump power.

Fig. 5. Output spectrum of the dual-wavelength Nd:YVO4 laser at the incident pump power of 2.85 W.

Fig. 6. Output power of the dual-wavelength Nd:YVO4 laser as a function of the incident pump power for wavelengths of 1064 and 1066 nm.

Fig. 7. Transitions within Nd:YVO4 crystal (left) between different energy levels, (right) from energy level F3/24 to I11/24 with Stark splitting resulting in 1064 and 1066 nm emissions.

Fig. 8. Effective stimulated emission cross section from F3/24 to I11/24 of Nd:YVO4[22].

Fig. 9. Relationship between the polarization direction of the pump light E and the Nd:YVO4 crystal axis.

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Continuous wave dual-wavelength Nd:YVO₄ laser working at 1064 and 1066 nm

Fig. 1. Experimental setup of CW dual-wavelength $Nd : {YVO}_{4}$ laser.

Fig. 3. Output spectrum of the $Nd : {YVO}_{4}$ laser with the pump light polarized parallel to the crystal’s $c$ -axis (left) and $b$ -axis (right).

Fig. 5. Output spectrum of the dual-wavelength $Nd : {YVO}_{4}$ laser at the incident pump power of 2.85 W.

Fig. 6. Output power of the dual-wavelength $Nd : {YVO}_{4}$ laser as a function of the incident pump power for wavelengths of 1064 and 1066 nm.

Fig. 7. Transitions within Nd:YVO4 crystal (left) between different energy levels, (right) from energy level ${}^{4}{F_{3 / 2}}$ to ${}^{4}{I_{11 / 2}}$ with Stark splitting resulting in 1064 and 1066 nm emissions.

Fig. 8. Effective stimulated emission cross section from ${}^{4}{F_{3 / 2}}$ to ${}^{4}{I_{11 / 2}}$ of $Nd : {YVO}_{4}$ ^[22].

Fig. 9. Relationship between the polarization direction of the pump light $E$ and the $Nd : {YVO}_{4}$ crystal axis.