Measurement of high-dynamic temperature field using high-speed quadriwave lateral shearing interferometer

Cui, Bochuan; Wang, Jianli; Yao, Kainan; Chen, Tao

doi:10.1007/s11801-018-7218-7

Cited by 4 publications

(5 citation statements)

References 19 publications

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“…If we substitute the maximum uncertainty of the wavelength of the laser source as ε λ = 0.1 nm and the phase change uncertainty as ε ∆ϕ = π 5 and consider L = 7.4 mm as well as ∆ϕ = 10π and 25π for the first and second measurement holograms, the uncertainty of measuring the temperature change becomes approximately 0.93 • C. This level of accuracy is comparable to the reported range of 0.5 • C to 5 • C for the QWLSI method [17,24].…”

Section: Resultssupporting

confidence: 50%

“…For example, thermal imaging methods might be affected by factors such as ambient temperature, air flow, or optical obstructions, leading to potential measurement errors or limitations. Other non-contact techniques for the measurement of the temperature are the spectroscopic method [1], Raman and Rayleigh scattering [9,10], Schlieren photography [11], laser speckle shearing interferometry and photography [12,13], moire deflectometry [14], and interferometric methods, such as holography [15,16], shearing [12][13][14]17], Talbot [18], and Lau phase [19].…”

Section: Introductionmentioning

confidence: 99%

“…Considering the small size of the flame as a transparent medium in our experiment, the Mach-Zehnder interferometer setup is preferred over the lens-less Fourier Transform digital holography (LLFTDH) as used in [23]. Our experimental layout is simplified and cost-effective compared with the quadriwave lateral shearing interferometer (QWLSI) methods, which require specific two-dimensional gratings [17,24,25]. The measurement speed is limited only by the camera's frame rate and the laser's power, enabling the capture of fast-changing phenomena.…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Temperature Sensing in Space and Transparent Media: Advancements in Off-Axis Digital Holography and the Temperature Coefficient of Refractive Index

et al. 2023

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An off-axis digital holographic interferometry technique integrated with a Mach–Zehnder interferometer based setup is demonstrated for measuring the temperature and temperature profile of a transparent medium. This technique offers several advantages: it does not require precise optomechanical adjustments or accurate definition of the frequency carrier mask, making it simple and cost-effective. Additionally, high-quality optics are not necessary. The methodology relies on measuring the phase difference between two digitally reconstructed complex wave fields and utilizing the temperature coefficient of the refractive index. In this way, we presented an equation of the temperature as a function of phase changes and the temperature coefficient of refractive index. This approach simplifies the calculation process and avoids the burden of complicated mathematical inversions, such as the inverse Abel transformation. It also eliminates the need for additional work with the Lorentz–Lorentz equation and Gladstone–Dale relation and can be extend for 3D measurements.

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Section: Resultssupporting

confidence: 50%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Temperature Sensing in Space and Transparent Media: Advancements in Off-Axis Digital Holography and the Temperature Coefficient of Refractive Index

et al. 2023

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“…Given the maximum uncertainty of the laser source's wavelength at 0.1 nm, and considering the uncertainty of the phase change to be π/5, along with the factors L=7.4 mm and = 25π for the captured hologram, the resulting uncertainty in temperature measurement becomes 0.93°C [3]. This degree of accuracy is comparable to the QWLSI method's claimed accuracy range of 0.5°C to 5°C [11,12].…”

Section: Resultsmentioning

confidence: 99%

“…This method is best suited for the intended purpose since it provides more precision when compared to other interferometry methods that are available. In comparison to quadriwave lateral shearing interferometer (QWLSI) approaches [11,12], the experimental design is more straightforward and economical, allowing for the capturing of rapidly changing phenomena. *Correspondence: davood.khodadad@umu.se; Tel: +46 725 131430…”

Section: Introductionmentioning

confidence: 99%

Digital holography for temperature investigations in space and transparent media

Khodadad,

Tayebi,

Saremi

et al. 2023

Remote Sensing of Clouds and the Atmosphere XXVIII

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The paper presents a method for investigating temperature fields in space and transparent media using off-axis digital holographic interferometry. This interferometric technique is particularly well-suited for measuring dynamically changing temperature fields due to its capability to automatically evaluate temperature from a single interferogram. The experimental validation of this technique involved measuring temperature variations within a burning candle's flame. To establish a reference point, an initial hologram was captured without a burning candle, followed by subsequent holograms during the burning process. This allowed the observation of changing refractive index gradient states in the surrounding air. The reconstruction of the complex amplitude facilitated the calculation of the distribution of phase changes. By establishing a relationship between phase changes, thermal coefficients of the air's refractive index, and temperature fluctuations, temperature measurements were achieved at these distinct states. The accuracy of the measurement was estimated to be less than 1 °C in our experimental setup, showing the high precision achievable with this technique. In summary, the paper offers analysis of digital holographic interferometry as a tool for temperature measurements in transparent media. Its potential applications extend to combustion studies, space exploration, atmospheric research, and various other scientific disciplines.

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Temporal division for time-varying phenomena observation using off-axis digital holography

Zhong

Wang

et al. 2023

Optics and Lasers in Engineering

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Measurement of high-dynamic temperature field using high-speed quadriwave lateral shearing interferometer

Cited by 4 publications

References 19 publications

Temperature Sensing in Space and Transparent Media: Advancements in Off-Axis Digital Holography and the Temperature Coefficient of Refractive Index

Temperature Sensing in Space and Transparent Media: Advancements in Off-Axis Digital Holography and the Temperature Coefficient of Refractive Index

Digital holography for temperature investigations in space and transparent media

Temporal division for time-varying phenomena observation using off-axis digital holography

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