{"id":15768987,"date":"2025-04-16T14:46:36","date_gmt":"2025-04-16T14:46:36","guid":{"rendered":"https:\/\/lobre.sviluppokeyweb.com\/prodotti\/superfici-interferometriche\/"},"modified":"2025-11-25T09:24:44","modified_gmt":"2025-11-25T09:24:44","slug":"interferometric-surfaces","status":"publish","type":"page","link":"https:\/\/www.lobre.it\/en\/products\/interferometric-surfaces\/","title":{"rendered":"Interferometric Surfaces"},"content":{"rendered":"<p>[et_pb_section fb_built=&#8221;1&#8243; custom_padding_last_edited=&#8221;on|phone&#8221; module_class=&#8221;barratitolo&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; custom_padding=&#8221;120px||0px||false|false&#8221; custom_padding_tablet=&#8221;100px||||false|false&#8221; custom_padding_phone=&#8221;200px||||false|false&#8221; global_module=&#8221;15767227&#8243; saved_tabs=&#8221;all&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_row _builder_version=&#8221;4.27.4&#8243; 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_builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; background_color=&#8221;#FFFFFF&#8221; background_enable_image=&#8221;off&#8221; background_blend=&#8221;overlay&#8221; custom_margin=&#8221;||||false|false&#8221; custom_padding=&#8221;0px||||false|false&#8221; custom_padding_tablet=&#8221;0px||0px||false|false&#8221; custom_padding_phone=&#8221;0px||0px||false|false&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_row column_structure=&#8221;3_5,2_5&#8243; use_custom_gutter=&#8221;on&#8221; gutter_width=&#8221;2&#8243; custom_padding_last_edited=&#8221;on|tablet&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; background_color=&#8221;rgba(255,255,255,0.92)&#8221; background_enable_image=&#8221;off&#8221; parallax=&#8221;on&#8221; parallax_method=&#8221;off&#8221; width=&#8221;95%&#8221; max_width=&#8221;95%&#8221; custom_padding=&#8221;100px|50px||50px|false|true&#8221; custom_padding_tablet=&#8221;50px|30px||30px|false|true&#8221; 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locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221; sticky_enabled=&#8221;0&#8243;]<\/p>\n<p>Lobre works closely with clients <strong>in Italy and abroad<\/strong> to design and manufacture high-precision <strong>interferometric optical flats<\/strong> (available as single-sided and double-sided interferometric flats).<\/p>\n<p>These <strong>tools<\/strong> are designed <strong>to measure planarity<\/strong> in various industrial and scientific contexts, with strict tolerance parameters. For this reason, the <strong>precision interferometric flats <\/strong>we produce are made using high-quality materials and advanced polishing techniques, ensuring the <strong>surface accuracy of Interferometric surfaces <\/strong>(<strong>up to <\/strong><strong>\u03bb<\/strong><strong>\/50<\/strong>)<strong>.<\/strong><\/p>\n<p><strong>Fill out the dedicated form on the Contact us page<\/strong> to get in touch with our experts and request a custom supply: <strong>we handle both small batches and serial production.<\/strong><\/p>\n<p>[\/et_pb_text][\/et_pb_column][et_pb_column type=&#8221;2_5&#8243; _builder_version=&#8221;4.20.2&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_image src=&#8221;https:\/\/www.lobre.it\/wp-content\/uploads\/2025\/07\/piani-ottici-interferometrici-per-strumenti.webp&#8221; title_text=&#8221;piani-ottici-interferometrici-per-strumenti&#8221; align=&#8221;center&#8221; align_tablet=&#8221;center&#8221; align_phone=&#8221;left&#8221; 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toggle_icon=&#8221;&#x4c;||divi||400&#8243; icon_color=&#8221;#01171E&#8221; use_icon_font_size=&#8221;on&#8221; icon_font_size=&#8221;24px&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; toggle_text_color=&#8221;#01171E&#8221; toggle_level=&#8221;h3&#8243; toggle_font=&#8221;Inter Tight|600|||||||&#8221; closed_toggle_font=&#8221;Inter Tight||||||||&#8221; body_font=&#8221;Inter Tight||||||||&#8221; body_text_color=&#8221;#01171E&#8221; body_font_size=&#8221;17px&#8221; body_line_height=&#8221;1.6em&#8221; custom_margin=&#8221;0px||0px||false|false&#8221; custom_padding=&#8221;20px||20px||false|false&#8221; hover_enabled=&#8221;0&#8243; global_colors_info=&#8221;{%22gcid-99bd126e-8f08-4598-845c-8a9af912b285%22:%91%22open_toggle_text_color%22%93}&#8221; sticky_enabled=&#8221;0&#8243;][et_pb_accordion_item title=&#8221;For Ultraviolet (UV)&#8221; open=&#8221;on&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; custom_margin=&#8221;||5px||false|false&#8221; hover_enabled=&#8221;0&#8243; border_width_all=&#8221;0px&#8221; global_colors_info=&#8221;{}&#8221; sticky_enabled=&#8221;0&#8243;]<\/p>\n<p>\u2013 Quartz (<strong>Fused Silica UV Grade<\/strong>)<\/p>\n<p>[\/et_pb_accordion_item][et_pb_accordion_item title=&#8221;For Visible Spectrum (VIS)&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; custom_margin=&#8221;||5px||false|false&#8221; hover_enabled=&#8221;0&#8243; border_width_all=&#8221;0px&#8221; global_colors_info=&#8221;{}&#8221; open=&#8221;off&#8221; sticky_enabled=&#8221;0&#8243;]<\/p>\n<p>\u2013 <strong>N<\/strong>&#8211;<strong>BK7<\/strong><\/p>\n<p>\u2013 <strong>Zerodur<\/strong><\/p>\n<p>[\/et_pb_accordion_item][et_pb_accordion_item title=&#8221;For Infrared (IR)&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; custom_margin=&#8221;||5px||false|false&#8221; hover_enabled=&#8221;0&#8243; border_width_all=&#8221;0px&#8221; global_colors_info=&#8221;{}&#8221; open=&#8221;off&#8221; sticky_enabled=&#8221;0&#8243;]<\/p>\n<p>\u2013 <strong>Zerodur<\/strong><\/p>\n<p>[\/et_pb_accordion_item][\/et_pb_accordion][\/et_pb_column][et_pb_column type=&#8221;1_2&#8243; _builder_version=&#8221;4.20.2&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_text _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; header_2_font=&#8221;Inter Tight||||||||&#8221; header_2_text_align=&#8221;left&#8221; header_2_text_color=&#8221;#01171E&#8221; header_2_font_size=&#8221;80px&#8221; header_2_letter_spacing=&#8221;-2px&#8221; max_width=&#8221;650px&#8221; module_alignment=&#8221;center&#8221; custom_margin=&#8221;|||0px|false|false&#8221; animation_style=&#8221;slide&#8221; animation_direction=&#8221;bottom&#8221; animation_duration=&#8221;800ms&#8221; animation_intensity_slide=&#8221;5%&#8221; hover_enabled=&#8221;0&#8243; header_2_font_size_tablet=&#8221;60px&#8221; header_2_font_size_phone=&#8221;40px&#8221; header_2_font_size_last_edited=&#8221;on|phone&#8221; custom_css_main_element=&#8221;margin-left:0px!Important;&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221; sticky_enabled=&#8221;0&#8243;]<\/p>\n<h2>Materials for Interferometric flats<\/h2>\n<p>[\/et_pb_text][et_pb_text _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; text_font=&#8221;Inter Tight||||||||&#8221; text_text_color=&#8221;#01171E&#8221; text_font_size=&#8221;17px&#8221; text_line_height=&#8221;1.6em&#8221; width_tablet=&#8221;60%&#8221; width_phone=&#8221;100%&#8221; width_last_edited=&#8221;on|phone&#8221; custom_margin_tablet=&#8221;&#8221; custom_margin_phone=&#8221;||25px||false|false&#8221; custom_margin_last_edited=&#8221;on|phone&#8221; animation_style=&#8221;slide&#8221; animation_direction=&#8221;bottom&#8221; animation_duration=&#8221;800ms&#8221; animation_intensity_slide=&#8221;5%&#8221; animation_speed_curve=&#8221;ease&#8221; hover_enabled=&#8221;0&#8243; text_font_size_tablet=&#8221;17px&#8221; text_font_size_phone=&#8221;15px&#8221; text_font_size_last_edited=&#8221;on|phone&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221; sticky_enabled=&#8221;0&#8243;]<\/p>\n<p>The most suitable materials for manufacturing <strong>interferometric systems<\/strong> are Zerodur, Quartz (Fused Silica UV Grade), and N-BK7.<\/p>\n<p>However, materials with specific properties can also be used to create non-standard components, such as <strong>optical flats for advanced scientific applications<\/strong>, <strong>high-precision surfaces for optical analysis,<\/strong> <strong>optical surfaces for <\/strong><strong>specialised<\/strong><strong> interferometric detection <\/strong>and more.<\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; background_color=&#8221;RGBA(255,255,255,0)&#8221; custom_margin=&#8221;45px||||false|false&#8221; custom_padding=&#8221;0px||0px||false|false&#8221; top_divider_height=&#8221;44px&#8221; bottom_divider_height=&#8221;44px&#8221; bottom_divider_flip=&#8221;vertical&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_row column_structure=&#8221;1_2,1_4,1_4&#8243; use_custom_gutter=&#8221;on&#8221; gutter_width=&#8221;2&#8243; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; custom_margin=&#8221;||0px||false|false&#8221; custom_padding=&#8221;0px||||false|false&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;1_2&#8243; _builder_version=&#8221;4.20.2&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_image src=&#8221;https:\/\/www.lobre.it\/wp-content\/uploads\/2025\/09\/gli-strumenti-per-misurare-la-planarita.webp&#8221; alt=&#8221;gli-strumenti-per-misurare-la-planarita&#8221; title_text=&#8221;gli-strumenti-per-misurare-la-planarita&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_image][\/et_pb_column][et_pb_column type=&#8221;1_4&#8243; _builder_version=&#8221;4.20.2&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_text _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; header_2_font=&#8221;Inter Tight||||||||&#8221; header_2_text_align=&#8221;left&#8221; header_2_text_color=&#8221;#01171E&#8221; header_2_font_size=&#8221;40px&#8221; header_2_letter_spacing=&#8221;-2px&#8221; max_width=&#8221;650px&#8221; module_alignment=&#8221;center&#8221; custom_margin=&#8221;|||0px|false|false&#8221; animation_style=&#8221;slide&#8221; animation_direction=&#8221;bottom&#8221; animation_duration=&#8221;800ms&#8221; animation_intensity_slide=&#8221;5%&#8221; hover_enabled=&#8221;0&#8243; header_2_font_size_tablet=&#8221;49px&#8221; header_2_font_size_phone=&#8221;40px&#8221; header_2_font_size_last_edited=&#8221;on|phone&#8221; custom_css_main_element=&#8221;margin-left:0px!Important;&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221; sticky_enabled=&#8221;0&#8243;]<\/p>\n<h2>Technical Features<\/h2>\n<p>[\/et_pb_text][et_pb_text _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; text_font=&#8221;Inter Tight||||||||&#8221; text_text_color=&#8221;#01171E&#8221; text_font_size=&#8221;17px&#8221; text_line_height=&#8221;1.6em&#8221; animation_style=&#8221;slide&#8221; animation_direction=&#8221;bottom&#8221; animation_duration=&#8221;800ms&#8221; animation_delay=&#8221;100ms&#8221; animation_intensity_slide=&#8221;5%&#8221; animation_speed_curve=&#8221;ease&#8221; hover_enabled=&#8221;0&#8243; text_font_size_tablet=&#8221;16px&#8221; text_font_size_phone=&#8221;15px&#8221; text_font_size_last_edited=&#8221;on|phone&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221; sticky_enabled=&#8221;0&#8243;]<\/p>\n<p>We manufacture <strong>interferometric optical flats<\/strong> using optical glass discs, which can have one or both surfaces polished and precision lapped (accuracy up to \u03bb\/50).<\/p>\n<p><strong>Interferometric optical flats<\/strong> are specifically designed for surface flatness control and are suitable for a wide range of applications. Common uses include: <strong>interferometric flats for quality control<\/strong>, <strong>interferometric flats for R&amp;D<\/strong>, <strong>interferometric flats for industrial measurements<\/strong> and <strong>interferometric flats for scientific applications<\/strong>.<\/p>\n<p>Specifically, <strong>interferometric flats for surface quality control<\/strong> are used as follows:<\/p>\n<p>[\/et_pb_text][\/et_pb_column][et_pb_column type=&#8221;1_4&#8243; _builder_version=&#8221;4.20.2&#8243; _module_preset=&#8221;default&#8221; custom_css_main_element=&#8221;display:flex;||flex-direction:column;&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_image src=&#8221;https:\/\/www.lobre.it\/wp-content\/uploads\/2025\/07\/piani-interferometrici-per-il-controllo-qualita.webp&#8221; alt=&#8221;piani-interferometrici-per-il-controllo-qualita&#8221; title_text=&#8221;piani-interferometrici-per-il-controllo-qualita&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_image][et_pb_text _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; text_font=&#8221;Inter Tight||||||||&#8221; text_text_color=&#8221;#01171E&#8221; text_font_size=&#8221;17px&#8221; text_line_height=&#8221;1.6em&#8221; animation_style=&#8221;slide&#8221; animation_direction=&#8221;bottom&#8221; animation_duration=&#8221;800ms&#8221; animation_delay=&#8221;100ms&#8221; animation_intensity_slide=&#8221;5%&#8221; animation_speed_curve=&#8221;ease&#8221; hover_enabled=&#8221;0&#8243; text_font_size_tablet=&#8221;16px&#8221; text_font_size_phone=&#8221;15px&#8221; text_font_size_last_edited=&#8221;on|phone&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221; sticky_enabled=&#8221;0&#8243;]<\/p>\n<p>the surfaces being tested are placed in contact with the interferometric surface. Where imperfections are present, air gaps form. By introducing a light source, interference fringes can be detected and used to quantify the error with absolute precision.<\/p>\n<p>If the surfaces are free of defects and therefore perfectly flat, parallel fringes (lines) will be visible.<\/p>\n<p>Lobre applies its decades of experience to provide <strong>optical surfaces for interferometry<\/strong> of the highest quality and reliability. <strong>Email us to request a custom supply in Italy or abroad<\/strong>: <strong>there is no quantity limit<\/strong>, and we support clients both for small batch production and large-scale manufacturing.<\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=&#8221;1&#8243; custom_padding_last_edited=&#8221;on|desktop&#8221; admin_label=&#8221;Calltoaction&#8221; _builder_version=&#8221;4.27.4&#8243; background_color=&#8221;#FFFFFF&#8221; background_enable_image=&#8221;off&#8221; custom_padding=&#8221;120px||80px||false|false&#8221; custom_padding_tablet=&#8221;0px||80px||false|false&#8221; 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These tools are designed to measure planarity in various industrial and scientific contexts, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":15768965,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"dipi_cpt_category":[],"class_list":["post-15768987","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Interferometric Optical Flats \u2013 Instruments for Planarity Measurement<\/title>\n<meta name=\"description\" content=\"We manufacture interferometric optical flats for measurement instruments used to assess planarity. Discover more about Lobre\u2019s products for Italy and abroad.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.lobre.it\/en\/products\/interferometric-surfaces\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Interferometric Optical Flats \u2013 Instruments for Planarity Measurement\" \/>\n<meta property=\"og:description\" content=\"We manufacture interferometric optical flats for measurement instruments used to assess planarity. 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