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Optics Express
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Optics Express
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Optics Express
Article . 2018
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https://dx.doi.org/10.60692/7r...
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Structured light illumination for order sorting in Echelle spectrometers

إضاءة ضوئية منظمة لفرز الطلبات في مطياف Echelle
Authors: Óscar Martínez-Matos; Pablo Vaveliuk; Carolina Rickenstorff-Parrao;

Structured light illumination for order sorting in Echelle spectrometers

Abstract

Nous rapportons le fonctionnement d'un spectromètre à échelle sous éclairage lumineux structuré. Chaque ordre de diffraction du spectromètre est codé avec une certaine structure périodique permettant un tri des ordres par analyse numérique après détection. Contrairement aux spectromètres à échelles à dispersion croisée, dans cette approche, les ordres se chevauchent au niveau du plan de détection de sorte que l'étalonnage spectral peut être effectué facilement avec une seule longueur d'onde de référence. Cette simplification opérationnelle permet de mesurer simultanément la source lumineuse étudiée et la longueur d'onde d'étalonnage donnant naissance à un spectromètre à échelle auto-étalonnée. De cette façon, le dispositif compense la dérive spectrale due aux changements temporels des conditions environnementales en temps réel. Notre proposition peut être utile dans un grand nombre d'applications nécessitant une puissance de résolution modérée, élevée ou très élevée pour une large bande passante dans un environnement non isolé.

Informamos sobre el funcionamiento de un espectrómetro Echelle bajo iluminación de luz estructurada. Cada orden de difracción del espectrómetro se codifica con una cierta estructura periódica que permite la clasificación de órdenes mediante análisis numérico después de la detección. A diferencia de los espectrómetros de echelle de dispersión cruzada, en este enfoque los órdenes se superponen en el plano de detección para que la calibración espectral se pueda realizar fácilmente con una sola longitud de onda de referencia. Esta simplificación operativa permite medir simultáneamente la fuente de luz en estudio y la longitud de onda de calibración dando lugar a un espectrómetro de escalera autocalibrado. De esta manera, el dispositivo compensa la deriva espectral debida a los cambios temporales de las condiciones ambientales en tiempo real. Nuestra propuesta puede ser útil en un gran número de aplicaciones que requieren una potencia de resolución moderada, alta o muy alta para un ancho de banda amplio en un entorno no aislado.

We report on the operation of an echelle spectrometer under structured light illumination. Each diffraction order of the spectrometer is encoded with a certain periodic structure allowing for order sorting by numerical analysis after detection. In contrast to cross-dispersed echelle spectrometers, in this approach the orders overlap at the detection plane so that the spectral calibration can be performed easily with a single reference wavelength. This operational simplification makes it possible to measure simultaneously the light source under study and the calibration wavelength giving rise to a self-calibrated echelle spectrometer. In this way the device compensates for the spectral drift due to temporal changes of environmental conditions in real time. Our proposal can be useful in a large number of applications requiring moderate, high or very high resolving power for a wide bandwidth in a non-isolated environment.

نبلغ عن تشغيل مطياف الدرجة تحت إضاءة ضوئية منظمة. يتم ترميز كل ترتيب حيود لمقياس الطيف ببنية دورية معينة تسمح بفرز الترتيب عن طريق التحليل العددي بعد الكشف. على النقيض من مقاييس طيف الدرجة المتقاطعة، تتداخل الطلبات في هذا النهج عند مستوى الكشف بحيث يمكن إجراء المعايرة الطيفية بسهولة بطول موجي مرجعي واحد. يجعل هذا التبسيط التشغيلي من الممكن قياس مصدر الضوء قيد الدراسة وطول موجة المعايرة في وقت واحد مما يؤدي إلى مطياف درجة المعايرة الذاتية. وبهذه الطريقة يعوض الجهاز عن الانجراف الطيفي بسبب التغيرات الزمنية للظروف البيئية في الوقت الفعلي. يمكن أن يكون اقتراحنا مفيدًا في عدد كبير من التطبيقات التي تتطلب قوة حل معتدلة أو عالية أو عالية جدًا لعرض نطاق ترددي واسع في بيئة غير معزولة.

Country
Argentina
Keywords

Wavelength, Spectrometers And Spectroscopic Instrumentation, Quantum mechanics, Spectrometer, Bandwidth (computing), Board-Level Optical Interconnects, Engineering, https://purl.org/becyt/ford/1.3, FOS: Electrical engineering, electronic engineering, information engineering, Electrical and Electronic Engineering, https://purl.org/becyt/ford/1, Spectroscopy, Spectrometers, Spectrum Analysis, Physics, Sorting, Silicon Photonics Technology, Optics, Stray light, Molecular Spectroscopic Databases and Laser Applications, Computer science, Algorithm, Chemistry, Interferometry, Optical Interconnect Technologies, Physical Sciences, Calibration, Telecommunications, Diffraction

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    popularity
    This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
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    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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    impulse
    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
3
Average
Average
Average
Green
gold