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Optica Quantum 2.0 Conference and Exhibition

Visa Information — Netherlands

We strongly encourage you to apply for your visa as early as possible, but no later than three months before you arrive in the Netherlands — as the application process can take up to six months. Strict security requirements may cause delays in visa processing. 

You are encouraged to obtain information about required documentation needed to travel to the Netherlands.  
Visit the Netherlands visa information page. >

Before traveling to the Netherlands, do you need a visa or not?
Check requirements. > 

Letter of Invitation

Important Information

  • Your name must be listed exactly as it appears on your passport. Any differences between the name on your passport and the name on your invitation letter or other documentation could lead to a delay and/or denial of your visa.
  • If you are presenting a paper, include the title and session in which the paper will be presented. If you are exhibiting, please indicate so in your request.
  • Each individual requesting an invitation letter must fill out a separate form.
  • All letters will be sent in PDF form to the email address provided. If you require a paper copy, please provide a courier account number or credit card number with expiration date with the original request.
  • Optica reserves the right to request further information regarding the company or affiliation of the attendee to ensure the validity of requests. Meeting attendees do not need to wait until their paper is accepted to request a visa invitation letter.
  • Optica is unable to contact embassies in support of an individual attempting to gain entry to attend a meeting.
  • It is important to secure your travel visa before registering for the meeting. Registration refund requests will be honored only until the published cancellation policy deadline, and a processing service charge will be assessed.

Note: Please allow up to 15 business days to process your request for an invitation letter.

For questions about the application process for a visa invitation letter, send an email to


Dutch Customs and Border Information
Preparing for Travel to the Netherlands
Government of the Netherlands Visa Information

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